4787991

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{4547}}^1$

素因数の和:4572

約数の個数: 20

約数和(自身を含む): 7704312

約数和(自身を除く): 2916321

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 4547, 13641, 40923, 59111, 122769, 177333, 368307, 531999, 1595997, 4787991]

約数ペア:

[(1, 4787991), (3, 1595997), (9, 531999), (13, 368307), (27, 177333), (39, 122769), (81, 59111), (117, 40923), (351, 13641), (1053, 4547)]