81117645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7649}}^1$

素因数の和:7765

約数の個数: 32

約数和(自身を含む): 149817600

約数和(自身を除く): 68699955

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 2121, 3535, 7649, 10605, 22947, 38245, 53543, 114735, 160629, 267715, 772549, 803145, 2317647, 3862745, 5407843, 11588235, 16223529, 27039215, 81117645]

約数ペア:

[(1, 81117645), (3, 27039215), (5, 16223529), (7, 11588235), (15, 5407843), (21, 3862745), (35, 2317647), (101, 803145), (105, 772549), (303, 267715), (505, 160629), (707, 114735), (1515, 53543), (2121, 38245), (3535, 22947), (7649, 10605)]