17946117

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 31657472

約数和(自身を除く): 13711355

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1021, 1953, 2511, 3063, 5859, 7147, 9189, 17577, 21441, 27567, 31651, 64323, 82701, 94953, 192969, 221557, 284859, 578907, 664671, 854577, 1994013, 2563731, 5982039, 17946117]

約数ペア:

[(1, 17946117), (3, 5982039), (7, 2563731), (9, 1994013), (21, 854577), (27, 664671), (31, 578907), (63, 284859), (81, 221557), (93, 192969), (189, 94953), (217, 82701), (279, 64323), (567, 31651), (651, 27567), (837, 21441), (1021, 17577), (1953, 9189), (2511, 7147), (3063, 5859)]