18313281

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9377}}^1$

素因数の和:9421

約数の個数: 24

約数和(自身を含む): 31209984

約数和(自身を除く): 12896703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9377, 28131, 65639, 84393, 196917, 290687, 590751, 872061, 2034809, 2616183, 6104427, 18313281]

約数ペア:

[(1, 18313281), (3, 6104427), (7, 2616183), (9, 2034809), (21, 872061), (31, 590751), (63, 290687), (93, 196917), (217, 84393), (279, 65639), (651, 28131), (1953, 9377)]