72499497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 117427200

約数和(自身を除く): 44927703

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 1667, 2071, 2289, 5001, 6213, 11669, 14497, 31673, 35007, 43491, 95019, 181703, 221711, 545109, 665133, 1271921, 3452357, 3815763, 10357071, 24166499, 72499497]

約数ペア:

[(1, 72499497), (3, 24166499), (7, 10357071), (19, 3815763), (21, 3452357), (57, 1271921), (109, 665133), (133, 545109), (327, 221711), (399, 181703), (763, 95019), (1667, 43491), (2071, 35007), (2289, 31673), (5001, 14497), (6213, 11669)]