15321657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 10483143

約数列:

[1, 3, 13, 19, 23, 29, 31, 39, 57, 69, 87, 93, 247, 299, 377, 403, 437, 551, 589, 667, 713, 741, 897, 899, 1131, 1209, 1311, 1653, 1767, 2001, 2139, 2697, 5681, 7163, 7657, 8671, 9269, 11687, 12673, 13547, 17043, 17081, 20677, 21489, 22971, 26013, 27807, 35061, 38019, 40641, 51243, 62031, 164749, 176111, 222053, 268801, 392863, 494247, 528333, 666159, 806403, 1178589, 5107219, 15321657]

約数ペア:

[(1, 15321657), (3, 5107219), (13, 1178589), (19, 806403), (23, 666159), (29, 528333), (31, 494247), (39, 392863), (57, 268801), (69, 222053), (87, 176111), (93, 164749), (247, 62031), (299, 51243), (377, 40641), (403, 38019), (437, 35061), (551, 27807), (589, 26013), (667, 22971), (713, 21489), (741, 20677), (897, 17081), (899, 17043), (1131, 13547), (1209, 12673), (1311, 11687), (1653, 9269), (1767, 8671), (2001, 7657), (2139, 7163), (2697, 5681)]