205573347

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{69427}}^1$

素因数の和:69487

約数の個数: 24

約数和(自身を含む): 346584576

約数和(自身を除く): 141011229

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 69427, 208281, 485989, 624843, 1457967, 3263069, 4373901, 9789207, 22841483, 29367621, 68524449, 205573347]

約数ペア:

[(1, 205573347), (3, 68524449), (7, 29367621), (9, 22841483), (21, 9789207), (47, 4373901), (63, 3263069), (141, 1457967), (329, 624843), (423, 485989), (987, 208281), (2961, 69427)]