213612609

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{2267}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 331980768

約数和(自身を除く): 118368159

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 2267, 4487, 6801, 13461, 15869, 31409, 47607, 94227, 111083, 333249, 1453147, 4359441, 10172029, 30516087, 71204203, 213612609]

約数ペア:

[(1, 213612609), (3, 71204203), (7, 30516087), (21, 10172029), (49, 4359441), (147, 1453147), (641, 333249), (1923, 111083), (2267, 94227), (4487, 47607), (6801, 31409), (13461, 15869)]