13427421

素因数分解:

$3^1\times 7^3\times {\mathrm{13049}}^1$

素因数の和:13073

約数の個数: 16

約数和(自身を含む): 20880000

約数和(自身を除く): 7452579

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 13049, 39147, 91343, 274029, 639401, 1918203, 4475807, 13427421]

約数ペア:

[(1, 13427421), (3, 4475807), (7, 1918203), (21, 639401), (49, 274029), (147, 91343), (343, 39147), (1029, 13049)]