81279198

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 238432896

約数和(自身を除く): 157153698

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 169, 182, 198, 231, 234, 273, 286, 338, 347, 429, 462, 507, 546, 693, 694, 819, 858, 1001, 1014, 1041, 1183, 1287, 1386, 1521, 1638, 1859, 2002, 2082, 2366, 2429, 2574, 3003, 3042, 3123, 3549, 3718, 3817, 4511, 4858, 5577, 6006, 6246, 7098, 7287, 7634, 9009, 9022, 10647, 11154, 11451, 13013, 13533, 14574, 16731, 18018, 21294, 21861, 22902, 26026, 26719, 27066, 31577, 33462, 34353, 39039, 40599, 43722, 49621, 53438, 58643, 63154, 68706, 78078, 80157, 81198, 94731, 99242, 117117, 117286, 148863, 160314, 175929, 189462, 234234, 240471, 284193, 297726, 347347, 351858, 410501, 446589, 480942, 527787, 568386, 645073, 694694, 821002, 893178, 1042041, 1055574, 1231503, 1290146, 1935219, 2084082, 2463006, 3126123, 3694509, 3870438, 4515511, 5805657, 6252246, 7389018, 9031022, 11611314, 13546533, 27093066, 40639599, 81279198]

約数ペア:

[(1, 81279198), (2, 40639599), (3, 27093066), (6, 13546533), (7, 11611314), (9, 9031022), (11, 7389018), (13, 6252246), (14, 5805657), (18, 4515511), (21, 3870438), (22, 3694509), (26, 3126123), (33, 2463006), (39, 2084082), (42, 1935219), (63, 1290146), (66, 1231503), (77, 1055574), (78, 1042041), (91, 893178), (99, 821002), (117, 694694), (126, 645073), (143, 568386), (154, 527787), (169, 480942), (182, 446589), (198, 410501), (231, 351858), (234, 347347), (273, 297726), (286, 284193), (338, 240471), (347, 234234), (429, 189462), (462, 175929), (507, 160314), (546, 148863), (693, 117286), (694, 117117), (819, 99242), (858, 94731), (1001, 81198), (1014, 80157), (1041, 78078), (1183, 68706), (1287, 63154), (1386, 58643), (1521, 53438), (1638, 49621), (1859, 43722), (2002, 40599), (2082, 39039), (2366, 34353), (2429, 33462), (2574, 31577), (3003, 27066), (3042, 26719), (3123, 26026), (3549, 22902), (3718, 21861), (3817, 21294), (4511, 18018), (4858, 16731), (5577, 14574), (6006, 13533), (6246, 13013), (7098, 11451), (7287, 11154), (7634, 10647), (9009, 9022)]