28481985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12917}}^1$

素因数の和:12942

約数の個数: 36

約数和(自身を含む): 57433428

約数和(自身を除く): 28951443

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12917, 38751, 64585, 90419, 116253, 193755, 271257, 452095, 581265, 632933, 813771, 1356285, 1898799, 3164665, 4068855, 5696397, 9493995, 28481985]

約数ペア:

[(1, 28481985), (3, 9493995), (5, 5696397), (7, 4068855), (9, 3164665), (15, 1898799), (21, 1356285), (35, 813771), (45, 632933), (49, 581265), (63, 452095), (105, 271257), (147, 193755), (245, 116253), (315, 90419), (441, 64585), (735, 38751), (2205, 12917)]