39690245

素因数分解:

$5^1\times 7^3\times {\mathrm{23143}}^1$

素因数の和:23169

約数の個数: 16

約数和(自身を含む): 55545600

約数和(自身を除く): 15855355

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 23143, 115715, 162001, 810005, 1134007, 5670035, 7938049, 39690245]

約数ペア:

[(1, 39690245), (5, 7938049), (7, 5670035), (35, 1134007), (49, 810005), (245, 162001), (343, 115715), (1715, 23143)]