281432529

素因数分解:

$3^3\times 7^3\times {\mathrm{30389}}^1$

素因数の和:30419

約数の個数: 32

約数和(自身を含む): 486240000

約数和(自身を除く): 204807471

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 30389, 91167, 212723, 273501, 638169, 820503, 1489061, 1914507, 4467183, 5743521, 10423427, 13401549, 31270281, 40204647, 93810843, 281432529]

約数ペア:

[(1, 281432529), (3, 93810843), (7, 40204647), (9, 31270281), (21, 13401549), (27, 10423427), (49, 5743521), (63, 4467183), (147, 1914507), (189, 1489061), (343, 820503), (441, 638169), (1029, 273501), (1323, 212723), (3087, 91167), (9261, 30389)]