71647521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 106748928

約数和(自身を除く): 35101407

約数列:

[1, 3, 11, 33, 103, 107, 197, 309, 321, 591, 1133, 1177, 2167, 3399, 3531, 6501, 11021, 20291, 21079, 33063, 60873, 63237, 121231, 223201, 231869, 363693, 669603, 695607, 2171137, 6513411, 23882507, 71647521]

約数ペア:

[(1, 71647521), (3, 23882507), (11, 6513411), (33, 2171137), (103, 695607), (107, 669603), (197, 363693), (309, 231869), (321, 223201), (591, 121231), (1133, 63237), (1177, 60873), (2167, 33063), (3399, 21079), (3531, 20291), (6501, 11021)]