12783645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{40583}}^1$

素因数の和:40601

約数の個数: 24

約数和(自身を含む): 25324416

約数和(自身を除く): 12540771

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 40583, 121749, 202915, 284081, 365247, 608745, 852243, 1420405, 1826235, 2556729, 4261215, 12783645]

約数ペア:

[(1, 12783645), (3, 4261215), (5, 2556729), (7, 1826235), (9, 1420405), (15, 852243), (21, 608745), (35, 365247), (45, 284081), (63, 202915), (105, 121749), (315, 40583)]