12781545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2969}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 11168535

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 2969, 4305, 8907, 14845, 20783, 44535, 62349, 103915, 121729, 311745, 365187, 608645, 852103, 1825935, 2556309, 4260515, 12781545]

約数ペア:

[(1, 12781545), (3, 4260515), (5, 2556309), (7, 1825935), (15, 852103), (21, 608645), (35, 365187), (41, 311745), (105, 121729), (123, 103915), (205, 62349), (287, 44535), (615, 20783), (861, 14845), (1435, 8907), (2969, 4305)]