72796647

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2087}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 121872384

約数和(自身を除く): 49075737

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 1057, 1661, 2087, 3171, 4983, 6261, 11627, 14609, 22957, 34881, 43827, 68871, 160699, 315137, 482097, 945411, 2205959, 3466507, 6617877, 10399521, 24265549, 72796647]

約数ペア:

[(1, 72796647), (3, 24265549), (7, 10399521), (11, 6617877), (21, 3466507), (33, 2205959), (77, 945411), (151, 482097), (231, 315137), (453, 160699), (1057, 68871), (1661, 43827), (2087, 34881), (3171, 22957), (4983, 14609), (6261, 11627)]