200819109

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{2557}}^1$

素因数の和:3164

約数の個数: 16

約数和(自身を含む): 274053888

約数和(自身を除く): 73234779

約数列:

[1, 3, 47, 141, 557, 1671, 2557, 7671, 26179, 78537, 120179, 360537, 1424249, 4272747, 66939703, 200819109]

約数ペア:

[(1, 200819109), (3, 66939703), (47, 4272747), (141, 1424249), (557, 360537), (1671, 120179), (2557, 78537), (7671, 26179)]