218303025

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{54919}}^1$

素因数の和:54985

約数の個数: 24

約数和(自身を含む): 367744320

約数和(自身を除く): 149441295

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 54919, 164757, 274595, 823785, 1372975, 2910707, 4118925, 8732121, 14553535, 43660605, 72767675, 218303025]

約数ペア:

[(1, 218303025), (3, 72767675), (5, 43660605), (15, 14553535), (25, 8732121), (53, 4118925), (75, 2910707), (159, 1372975), (265, 823785), (795, 274595), (1325, 164757), (3975, 54919)]