86776839

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 133816320

約数和(自身を除く): 47039481

約数列:

[1, 3, 9, 27, 71, 79, 81, 191, 213, 237, 573, 639, 711, 1719, 1917, 2133, 5157, 5609, 5751, 6399, 13561, 15089, 15471, 16827, 40683, 45267, 50481, 122049, 135801, 151443, 366147, 407403, 454329, 1071319, 1098441, 1222209, 3213957, 9641871, 28925613, 86776839]

約数ペア:

[(1, 86776839), (3, 28925613), (9, 9641871), (27, 3213957), (71, 1222209), (79, 1098441), (81, 1071319), (191, 454329), (213, 407403), (237, 366147), (573, 151443), (639, 135801), (711, 122049), (1719, 50481), (1917, 45267), (2133, 40683), (5157, 16827), (5609, 15471), (5751, 15089), (6399, 13561)]