15193017

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{691}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 25188800

約数和(自身を除く): 9995783

約数列:

[1, 3, 7, 9, 21, 63, 349, 691, 1047, 2073, 2443, 3141, 4837, 6219, 7329, 14511, 21987, 43533, 241159, 723477, 1688113, 2170431, 5064339, 15193017]

約数ペア:

[(1, 15193017), (3, 5064339), (7, 2170431), (9, 1688113), (21, 723477), (63, 241159), (349, 43533), (691, 21987), (1047, 14511), (2073, 7329), (2443, 6219), (3141, 4837)]