31729401

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 52272000

約数和(自身を除く): 20542599

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 149, 239, 297, 447, 717, 891, 1341, 1639, 2151, 2629, 4023, 4917, 6453, 7887, 12069, 14751, 19359, 23661, 35611, 44253, 70983, 106833, 132759, 212949, 320499, 391721, 961497, 1175163, 2884491, 3525489, 10576467, 31729401]

約数ペア:

[(1, 31729401), (3, 10576467), (9, 3525489), (11, 2884491), (27, 1175163), (33, 961497), (81, 391721), (99, 320499), (149, 212949), (239, 132759), (297, 106833), (447, 70983), (717, 44253), (891, 35611), (1341, 23661), (1639, 19359), (2151, 14751), (2629, 12069), (4023, 7887), (4917, 6453)]