201398589

素因数分解:

$3^3\times 7^1\times {\mathrm{1065601}}^1$

素因数の和:1065617

約数の個数: 16

約数和(自身を含む): 340992640

約数和(自身を除く): 139594051

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1065601, 3196803, 7459207, 9590409, 22377621, 28771227, 67132863, 201398589]

約数ペア:

[(1, 201398589), (3, 67132863), (7, 28771227), (9, 22377621), (21, 9590409), (27, 7459207), (63, 3196803), (189, 1065601)]