87841665

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2437}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 159298920

約数和(自身を除く): 71457255

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 2403, 2437, 4005, 7209, 7311, 12015, 12185, 21933, 36045, 36555, 65799, 109665, 197397, 216893, 328995, 650679, 986985, 1084465, 1952037, 3253395, 5856111, 9760185, 17568333, 29280555, 87841665]

約数ペア:

[(1, 87841665), (3, 29280555), (5, 17568333), (9, 9760185), (15, 5856111), (27, 3253395), (45, 1952037), (81, 1084465), (89, 986985), (135, 650679), (267, 328995), (405, 216893), (445, 197397), (801, 109665), (1335, 65799), (2403, 36555), (2437, 36045), (4005, 21933), (7209, 12185), (7311, 12015)]