271921825

素因数分解:

$5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 414160000

約数和(自身を除く): 142238175

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 343, 475, 665, 931, 1225, 1669, 1715, 3325, 4655, 6517, 8345, 8575, 11683, 23275, 31711, 32585, 41725, 58415, 81781, 158555, 162925, 221977, 292075, 408905, 572467, 792775, 1109885, 1553839, 2044525, 2862335, 5549425, 7769195, 10876873, 14311675, 38845975, 54384365, 271921825]

約数ペア:

[(1, 271921825), (5, 54384365), (7, 38845975), (19, 14311675), (25, 10876873), (35, 7769195), (49, 5549425), (95, 2862335), (133, 2044525), (175, 1553839), (245, 1109885), (343, 792775), (475, 572467), (665, 408905), (931, 292075), (1225, 221977), (1669, 162925), (1715, 158555), (3325, 81781), (4655, 58415), (6517, 41725), (8345, 32585), (8575, 31711), (11683, 23275)]