491569191

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{887}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 717575040

約数和(自身を除く): 226005849

約数列:

[1, 3, 9, 139, 417, 443, 887, 1251, 1329, 2661, 3987, 7983, 61577, 123293, 184731, 369879, 392941, 554193, 1109637, 1178823, 3536469, 54618799, 163856397, 491569191]

約数ペア:

[(1, 491569191), (3, 163856397), (9, 54618799), (139, 3536469), (417, 1178823), (443, 1109637), (887, 554193), (1251, 392941), (1329, 369879), (2661, 184731), (3987, 123293), (7983, 61577)]