213270475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1697}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 289298448

約数和(自身を除く): 76027973

約数列:

[1, 5, 11, 25, 55, 275, 457, 1697, 2285, 5027, 8485, 11425, 18667, 25135, 42425, 93335, 125675, 466675, 775529, 3877645, 8530819, 19388225, 42654095, 213270475]

約数ペア:

[(1, 213270475), (5, 42654095), (11, 19388225), (25, 8530819), (55, 3877645), (275, 775529), (457, 466675), (1697, 125675), (2285, 93335), (5027, 42425), (8485, 25135), (11425, 18667)]