66650409

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11887}}^1$

素因数の和:11989

約数の個数: 24

約数和(自身を含む): 111271680

約数和(自身を除く): 44621271

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 11887, 35661, 83209, 106983, 249627, 748881, 1057943, 3173829, 7405601, 9521487, 22216803, 66650409]

約数ペア:

[(1, 66650409), (3, 22216803), (7, 9521487), (9, 7405601), (21, 3173829), (63, 1057943), (89, 748881), (267, 249627), (623, 106983), (801, 83209), (1869, 35661), (5607, 11887)]