286890921

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{269}}^1\times {\mathrm{727}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 419065920

約数和(自身を除く): 132174999

約数列:

[1, 3, 9, 163, 269, 489, 727, 807, 1467, 2181, 2421, 6543, 43847, 118501, 131541, 195563, 355503, 394623, 586689, 1066509, 1760067, 31876769, 95630307, 286890921]

約数ペア:

[(1, 286890921), (3, 95630307), (9, 31876769), (163, 1760067), (269, 1066509), (489, 586689), (727, 394623), (807, 355503), (1467, 195563), (2181, 131541), (2421, 118501), (6543, 43847)]