131444991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1619}}^1$

素因数の和:1756

約数の個数: 32

約数和(自身を含む): 203212800

約数和(自身を除く): 71767809

約数列:

[1, 3, 9, 27, 31, 93, 97, 279, 291, 837, 873, 1619, 2619, 3007, 4857, 9021, 14571, 27063, 43713, 50189, 81189, 150567, 157043, 451701, 471129, 1355103, 1413387, 4240161, 4868333, 14604999, 43814997, 131444991]

約数ペア:

[(1, 131444991), (3, 43814997), (9, 14604999), (27, 4868333), (31, 4240161), (93, 1413387), (97, 1355103), (279, 471129), (291, 451701), (837, 157043), (873, 150567), (1619, 81189), (2619, 50189), (3007, 43713), (4857, 27063), (9021, 14571)]