518157471

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1901}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 773277120

約数和(自身を除く): 255119649

約数列:

[1, 3, 13, 29, 39, 87, 241, 377, 723, 1131, 1901, 3133, 5703, 6989, 9399, 20967, 24713, 55129, 74139, 90857, 165387, 272571, 458141, 716677, 1374423, 2150031, 5955833, 13286089, 17867499, 39858267, 172719157, 518157471]

約数ペア:

[(1, 518157471), (3, 172719157), (13, 39858267), (29, 17867499), (39, 13286089), (87, 5955833), (241, 2150031), (377, 1374423), (723, 716677), (1131, 458141), (1901, 272571), (3133, 165387), (5703, 90857), (6989, 74139), (9399, 55129), (20967, 24713)]