81463887

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 131183360

約数和(自身を除く): 49719473

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1231, 1539, 2451, 3483, 3693, 7353, 11079, 22059, 23389, 33237, 52933, 66177, 70167, 99711, 158799, 210501, 476397, 631503, 1005727, 1429191, 1894509, 3017181, 4287573, 9051543, 27154629, 81463887]

約数ペア:

[(1, 81463887), (3, 27154629), (9, 9051543), (19, 4287573), (27, 3017181), (43, 1894509), (57, 1429191), (81, 1005727), (129, 631503), (171, 476397), (387, 210501), (513, 158799), (817, 99711), (1161, 70167), (1231, 66177), (1539, 52933), (2451, 33237), (3483, 23389), (3693, 22059), (7353, 11079)]