15901305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4093}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 29869824

約数和(自身を除く): 13968519

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 4093, 12279, 20465, 28651, 61395, 85953, 143255, 151441, 429765, 454323, 757205, 1060087, 2271615, 3180261, 5300435, 15901305]

約数ペア:

[(1, 15901305), (3, 5300435), (5, 3180261), (7, 2271615), (15, 1060087), (21, 757205), (35, 454323), (37, 429765), (105, 151441), (111, 143255), (185, 85953), (259, 61395), (555, 28651), (777, 20465), (1295, 12279), (3885, 4093)]