202445145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{642683}}^1$

素因数の和:642701

約数の個数: 24

約数和(自身を含む): 401034816

約数和(自身を除く): 198589671

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 642683, 1928049, 3213415, 4498781, 5784147, 9640245, 13496343, 22493905, 28920735, 40489029, 67481715, 202445145]

約数ペア:

[(1, 202445145), (3, 67481715), (5, 40489029), (7, 28920735), (9, 22493905), (15, 13496343), (21, 9640245), (35, 5784147), (45, 4498781), (63, 3213415), (105, 1928049), (315, 642683)]