8642907

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 15707328

約数和(自身を除く): 7064421

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 173, 183, 273, 427, 519, 549, 793, 819, 1211, 1281, 1557, 2249, 2379, 3633, 3843, 5551, 6747, 7137, 10553, 10899, 15743, 16653, 20241, 31659, 47229, 49959, 73871, 94977, 137189, 141687, 221613, 411567, 664839, 960323, 1234701, 2880969, 8642907]

約数ペア:

[(1, 8642907), (3, 2880969), (7, 1234701), (9, 960323), (13, 664839), (21, 411567), (39, 221613), (61, 141687), (63, 137189), (91, 94977), (117, 73871), (173, 49959), (183, 47229), (273, 31659), (427, 20241), (519, 16653), (549, 15743), (793, 10899), (819, 10553), (1211, 7137), (1281, 6747), (1557, 5551), (2249, 3843), (2379, 3633)]