28649985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 57200640

約数和(自身を除く): 28550655

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 139, 151, 195, 273, 417, 453, 455, 695, 755, 973, 1057, 1365, 1807, 1963, 2085, 2265, 2919, 3171, 4865, 5285, 5421, 5889, 9035, 9815, 12649, 13741, 14595, 15855, 20989, 27105, 29445, 37947, 41223, 62967, 63245, 68705, 104945, 146923, 189735, 206115, 272857, 314835, 440769, 734615, 818571, 1364285, 1909999, 2203845, 4092855, 5729997, 9549995, 28649985]

約数ペア:

[(1, 28649985), (3, 9549995), (5, 5729997), (7, 4092855), (13, 2203845), (15, 1909999), (21, 1364285), (35, 818571), (39, 734615), (65, 440769), (91, 314835), (105, 272857), (139, 206115), (151, 189735), (195, 146923), (273, 104945), (417, 68705), (453, 63245), (455, 62967), (695, 41223), (755, 37947), (973, 29445), (1057, 27105), (1365, 20989), (1807, 15855), (1963, 14595), (2085, 13741), (2265, 12649), (2919, 9815), (3171, 9035), (4865, 5889), (5285, 5421)]