308974257

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{22307}}^1$

素因数の和:22344

約数の個数: 28

約数和(自身を含む): 487652880

約数和(自身を除く): 178678623

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 13851, 22307, 66921, 200763, 423833, 602289, 1271499, 1806867, 3814497, 5420601, 11443491, 16261803, 34330473, 102991419, 308974257]

約数ペア:

[(1, 308974257), (3, 102991419), (9, 34330473), (19, 16261803), (27, 11443491), (57, 5420601), (81, 3814497), (171, 1806867), (243, 1271499), (513, 602289), (729, 423833), (1539, 200763), (4617, 66921), (13851, 22307)]