12561975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1848

約数の個数: 36

約数和(自身を含む): 23238592

約数和(自身を除く): 10676617

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 1801, 2325, 5403, 6975, 9005, 16209, 27015, 45025, 55831, 81045, 135075, 167493, 279155, 405225, 502479, 837465, 1395775, 2512395, 4187325, 12561975]

約数ペア:

[(1, 12561975), (3, 4187325), (5, 2512395), (9, 1395775), (15, 837465), (25, 502479), (31, 405225), (45, 279155), (75, 167493), (93, 135075), (155, 81045), (225, 55831), (279, 45025), (465, 27015), (775, 16209), (1395, 9005), (1801, 6975), (2325, 5403)]