18168705

素因数分解:

$3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 32940072

約数和(自身を除く): 14771367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 339, 397, 405, 565, 1017, 1191, 1695, 1985, 3051, 3573, 5085, 5955, 9153, 10719, 15255, 17865, 32157, 44861, 45765, 53595, 134583, 160785, 224305, 403749, 672915, 1211247, 2018745, 3633741, 6056235, 18168705]

約数ペア:

[(1, 18168705), (3, 6056235), (5, 3633741), (9, 2018745), (15, 1211247), (27, 672915), (45, 403749), (81, 224305), (113, 160785), (135, 134583), (339, 53595), (397, 45765), (405, 44861), (565, 32157), (1017, 17865), (1191, 15255), (1695, 10719), (1985, 9153), (3051, 5955), (3573, 5085)]