405275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 572880

約数和(自身を除く): 167605

約数列:

[1, 5, 13, 25, 29, 43, 65, 145, 215, 325, 377, 559, 725, 1075, 1247, 1885, 2795, 6235, 9425, 13975, 16211, 31175, 81055, 405275]

約数ペア:

[(1, 405275), (5, 81055), (13, 31175), (25, 16211), (29, 13975), (43, 9425), (65, 6235), (145, 2795), (215, 1885), (325, 1247), (377, 1075), (559, 725)]