249905895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2377}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 411831552

約数和(自身を除く): 161925657

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 645, 815, 2377, 2445, 7009, 7131, 11885, 21027, 35045, 35655, 102211, 105135, 306633, 387451, 511055, 1162353, 1533165, 1937255, 5811765, 16660393, 49981179, 83301965, 249905895]

約数ペア:

[(1, 249905895), (3, 83301965), (5, 49981179), (15, 16660393), (43, 5811765), (129, 1937255), (163, 1533165), (215, 1162353), (489, 511055), (645, 387451), (815, 306633), (2377, 105135), (2445, 102211), (7009, 35655), (7131, 35045), (11885, 21027)]