15721833855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1181

約数の個数: 128

約数和(自身を含む): 31574753280

約数和(自身を除く): 15852919425

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 151, 195, 249, 273, 415, 453, 455, 581, 755, 919, 1057, 1079, 1245, 1365, 1743, 1963, 2265, 2757, 2905, 3171, 3237, 4595, 5285, 5395, 5889, 6433, 7553, 8715, 9815, 11947, 12533, 13741, 13785, 15855, 16185, 19299, 22659, 29445, 32165, 35841, 37599, 37765, 41223, 59735, 62665, 68705, 76277, 83629, 87731, 96495, 113295, 138769, 162929, 179205, 187995, 206115, 228831, 250887, 263193, 381385, 416307, 418145, 438655, 488787, 533939, 693845, 814645, 971383, 991601, 1140503, 1144155, 1254435, 1315965, 1601817, 1803997, 2081535, 2443935, 2669695, 2914149, 2974803, 3421509, 4856915, 4958005, 5411991, 5702515, 6941207, 8009085, 9019985, 11517827, 12627979, 14570745, 14874015, 17107545, 20823621, 27059955, 34553481, 34706035, 37883937, 57589135, 63139895, 80624789, 104118105, 149731751, 172767405, 189419685, 241874367, 403123945, 449195253, 748658755, 1048122257, 1209371835, 2245976265, 3144366771, 5240611285, 15721833855]

約数ペア:

[(1, 15721833855), (3, 5240611285), (5, 3144366771), (7, 2245976265), (13, 1209371835), (15, 1048122257), (21, 748658755), (35, 449195253), (39, 403123945), (65, 241874367), (83, 189419685), (91, 172767405), (105, 149731751), (151, 104118105), (195, 80624789), (249, 63139895), (273, 57589135), (415, 37883937), (453, 34706035), (455, 34553481), (581, 27059955), (755, 20823621), (919, 17107545), (1057, 14874015), (1079, 14570745), (1245, 12627979), (1365, 11517827), (1743, 9019985), (1963, 8009085), (2265, 6941207), (2757, 5702515), (2905, 5411991), (3171, 4958005), (3237, 4856915), (4595, 3421509), (5285, 2974803), (5395, 2914149), (5889, 2669695), (6433, 2443935), (7553, 2081535), (8715, 1803997), (9815, 1601817), (11947, 1315965), (12533, 1254435), (13741, 1144155), (13785, 1140503), (15855, 991601), (16185, 971383), (19299, 814645), (22659, 693845), (29445, 533939), (32165, 488787), (35841, 438655), (37599, 418145), (37765, 416307), (41223, 381385), (59735, 263193), (62665, 250887), (68705, 228831), (76277, 206115), (83629, 187995), (87731, 179205), (96495, 162929), (113295, 138769)]