86721381

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 131648000

約数和(自身を除く): 44926619

約数列:

[1, 3, 9, 27, 79, 109, 237, 327, 373, 711, 981, 1119, 2133, 2943, 3357, 8611, 10071, 25833, 29467, 40657, 77499, 88401, 121971, 232497, 265203, 365913, 795609, 1097739, 3211903, 9635709, 28907127, 86721381]

約数ペア:

[(1, 86721381), (3, 28907127), (9, 9635709), (27, 3211903), (79, 1097739), (109, 795609), (237, 365913), (327, 265203), (373, 232497), (711, 121971), (981, 88401), (1119, 77499), (2133, 40657), (2943, 29467), (3357, 25833), (8611, 10071)]