13680555

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{2659}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 25536000

約数和(自身を除く): 11855445

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 2659, 5145, 7977, 13295, 18613, 39885, 55839, 93065, 130291, 279195, 390873, 651455, 912037, 1954365, 2736111, 4560185, 13680555]

約数ペア:

[(1, 13680555), (3, 4560185), (5, 2736111), (7, 1954365), (15, 912037), (21, 651455), (35, 390873), (49, 279195), (105, 130291), (147, 93065), (245, 55839), (343, 39885), (735, 18613), (1029, 13295), (1715, 7977), (2659, 5145)]