64243809

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2543}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 106359552

約数和(自身を除く): 42115743

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 2543, 2807, 3609, 7629, 8421, 17801, 22887, 25263, 53403, 160209, 1019743, 3059229, 7138201, 9177687, 21414603, 64243809]

約数ペア:

[(1, 64243809), (3, 21414603), (7, 9177687), (9, 7138201), (21, 3059229), (63, 1019743), (401, 160209), (1203, 53403), (2543, 25263), (2807, 22887), (3609, 17801), (7629, 8421)]