15307257

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 24000192

約数和(自身を除く): 8692935

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1031, 2121, 3093, 4949, 7217, 14847, 21651, 50519, 104131, 151557, 312393, 728917, 2186751, 5102419, 15307257]

約数ペア:

[(1, 15307257), (3, 5102419), (7, 2186751), (21, 728917), (49, 312393), (101, 151557), (147, 104131), (303, 50519), (707, 21651), (1031, 14847), (2121, 7217), (3093, 4949)]