851851

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 1225728

約数和(自身を除く): 373877

約数列:

[1, 7, 11, 13, 23, 37, 77, 91, 143, 161, 253, 259, 299, 407, 481, 851, 1001, 1771, 2093, 2849, 3289, 3367, 5291, 5957, 9361, 11063, 23023, 37037, 65527, 77441, 121693, 851851]

約数ペア:

[(1, 851851), (7, 121693), (11, 77441), (13, 65527), (23, 37037), (37, 23023), (77, 11063), (91, 9361), (143, 5957), (161, 5291), (253, 3367), (259, 3289), (299, 2849), (407, 2093), (481, 1771), (851, 1001)]