131497107

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 208327680

約数和(自身を除く): 76830573

約数列:

[1, 3, 7, 21, 29, 87, 203, 263, 609, 789, 821, 1841, 2463, 5523, 5747, 7627, 17241, 22881, 23809, 53389, 71427, 160167, 166663, 215923, 499989, 647769, 1511461, 4534383, 6261767, 18785301, 43832369, 131497107]

約数ペア:

[(1, 131497107), (3, 43832369), (7, 18785301), (21, 6261767), (29, 4534383), (87, 1511461), (203, 647769), (263, 499989), (609, 215923), (789, 166663), (821, 160167), (1841, 71427), (2463, 53389), (5523, 23809), (5747, 22881), (7627, 17241)]