68897385

素因数分解:

$3^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 124128576

約数和(自身を除く): 55231191

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 311, 405, 547, 933, 1555, 1641, 2735, 2799, 4665, 4923, 8205, 8397, 13995, 14769, 24615, 25191, 41985, 44307, 73845, 125955, 170117, 221535, 510351, 850585, 1531053, 2551755, 4593159, 7655265, 13779477, 22965795, 68897385]

約数ペア:

[(1, 68897385), (3, 22965795), (5, 13779477), (9, 7655265), (15, 4593159), (27, 2551755), (45, 1531053), (81, 850585), (135, 510351), (311, 221535), (405, 170117), (547, 125955), (933, 73845), (1555, 44307), (1641, 41985), (2735, 25191), (2799, 24615), (4665, 14769), (4923, 13995), (8205, 8397)]