645966

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2136

約数の個数: 24

約数和(自身を含む): 1482624

約数和(自身を除く): 836658

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 2111, 4222, 6333, 12666, 18999, 35887, 37998, 71774, 107661, 215322, 322983, 645966]

約数ペア:

[(1, 645966), (2, 322983), (3, 215322), (6, 107661), (9, 71774), (17, 37998), (18, 35887), (34, 18999), (51, 12666), (102, 6333), (153, 4222), (306, 2111)]