80920749

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^2$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 134412768

約数和(自身を除く): 53492019

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 169, 273, 453, 507, 1057, 1183, 1963, 3171, 3549, 5889, 13741, 22801, 25519, 41223, 68403, 76557, 159607, 178633, 296413, 478821, 535899, 889239, 2074891, 3853369, 6224673, 11560107, 26973583, 80920749]

約数ペア:

[(1, 80920749), (3, 26973583), (7, 11560107), (13, 6224673), (21, 3853369), (39, 2074891), (91, 889239), (151, 535899), (169, 478821), (273, 296413), (453, 178633), (507, 159607), (1057, 76557), (1183, 68403), (1963, 41223), (3171, 25519), (3549, 22801), (5889, 13741)]