40204521

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4283}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 66830400

約数和(自身を除く): 26625879

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 4283, 9387, 12849, 29981, 38547, 89943, 269829, 638167, 1914501, 4467169, 5743503, 13401507, 40204521]

約数ペア:

[(1, 40204521), (3, 13401507), (7, 5743503), (9, 4467169), (21, 1914501), (63, 638167), (149, 269829), (447, 89943), (1043, 38547), (1341, 29981), (3129, 12849), (4283, 9387)]