13951287

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 23362560

約数和(自身を除く): 9411273

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3119, 4473, 9357, 21833, 28071, 65499, 196497, 221449, 664347, 1550143, 1993041, 4650429, 13951287]

約数ペア:

[(1, 13951287), (3, 4650429), (7, 1993041), (9, 1550143), (21, 664347), (63, 221449), (71, 196497), (213, 65499), (497, 28071), (639, 21833), (1491, 9357), (3119, 4473)]