208432827

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{3023}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 309464064

約数和(自身を除く): 101031237

約数列:

[1, 3, 9, 47, 141, 163, 423, 489, 1467, 3023, 7661, 9069, 22983, 27207, 68949, 142081, 426243, 492749, 1278729, 1478247, 4434741, 23159203, 69477609, 208432827]

約数ペア:

[(1, 208432827), (3, 69477609), (9, 23159203), (47, 4434741), (141, 1478247), (163, 1278729), (423, 492749), (489, 426243), (1467, 142081), (3023, 68949), (7661, 27207), (9069, 22983)]