12921675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 23852640

約数和(自身を除く): 10930965

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 457, 725, 975, 1131, 1371, 1885, 2175, 2285, 5655, 5941, 6855, 9425, 11425, 13253, 17823, 28275, 29705, 34275, 39759, 66265, 89115, 148525, 172289, 198795, 331325, 445575, 516867, 861445, 993975, 2584335, 4307225, 12921675]

約数ペア:

[(1, 12921675), (3, 4307225), (5, 2584335), (13, 993975), (15, 861445), (25, 516867), (29, 445575), (39, 331325), (65, 198795), (75, 172289), (87, 148525), (145, 89115), (195, 66265), (325, 39759), (377, 34275), (435, 29705), (457, 28275), (725, 17823), (975, 13253), (1131, 11425), (1371, 9425), (1885, 6855), (2175, 5941), (2285, 5655)]