161856135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{513829}}^1$

素因数の和:513847

約数の個数: 24

約数和(自身を含む): 320629920

約数和(自身を除く): 158773785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 513829, 1541487, 2569145, 3596803, 4624461, 7707435, 10790409, 17984015, 23122305, 32371227, 53952045, 161856135]

約数ペア:

[(1, 161856135), (3, 53952045), (5, 32371227), (7, 23122305), (9, 17984015), (15, 10790409), (21, 7707435), (35, 4624461), (45, 3596803), (63, 2569145), (105, 1541487), (315, 513829)]