31386621

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18919}}^1$

素因数の和:19008

約数の個数: 16

約数和(自身を含む): 48435200

約数和(自身を除く): 17048579

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 18919, 56757, 132433, 397299, 1494601, 4483803, 10462207, 31386621]

約数ペア:

[(1, 31386621), (3, 10462207), (7, 4483803), (21, 1494601), (79, 397299), (237, 132433), (553, 56757), (1659, 18919)]