217422825

素因数分解:

$3^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{7649}}^1$

素因数の和:8041

約数の個数: 24

約数和(自身を含む): 360468000

約数和(自身を除く): 143045175

約数列:

[1, 3, 5, 15, 25, 75, 379, 1137, 1895, 5685, 7649, 9475, 22947, 28425, 38245, 114735, 191225, 573675, 2898971, 8696913, 14494855, 43484565, 72474275, 217422825]

約数ペア:

[(1, 217422825), (3, 72474275), (5, 43484565), (15, 14494855), (25, 8696913), (75, 2898971), (379, 573675), (1137, 191225), (1895, 114735), (5685, 38245), (7649, 28425), (9475, 22947)]