891413145

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{404269}}^1$

素因数の和:404294

約数の個数: 36

約数和(自身を含む): 1797384420

約数和(自身を除く): 905971275

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 404269, 1212807, 2021345, 2829883, 3638421, 6064035, 8489649, 14149415, 18192105, 19809181, 25468947, 42448245, 59427543, 99045905, 127344735, 178282629, 297137715, 891413145]

約数ペア:

[(1, 891413145), (3, 297137715), (5, 178282629), (7, 127344735), (9, 99045905), (15, 59427543), (21, 42448245), (35, 25468947), (45, 19809181), (49, 18192105), (63, 14149415), (105, 8489649), (147, 6064035), (245, 3638421), (315, 2829883), (441, 2021345), (735, 1212807), (2205, 404269)]