61931457

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4079}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 102685440

約数和(自身を除く): 40753983

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 2169, 4079, 5061, 12237, 15183, 28553, 36711, 85659, 256977, 983039, 2949117, 6881273, 8847351, 20643819, 61931457]

約数ペア:

[(1, 61931457), (3, 20643819), (7, 8847351), (9, 6881273), (21, 2949117), (63, 983039), (241, 256977), (723, 85659), (1687, 36711), (2169, 28553), (4079, 15183), (5061, 12237)]