64830087

素因数分解:

$3^2\times 7^3\times {\mathrm{21001}}^1$

素因数の和:21028

約数の個数: 24

約数和(自身を含む): 109210400

約数和(自身を除く): 44380313

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 21001, 63003, 147007, 189009, 441021, 1029049, 1323063, 3087147, 7203343, 9261441, 21610029, 64830087]

約数ペア:

[(1, 64830087), (3, 21610029), (7, 9261441), (9, 7203343), (21, 3087147), (49, 1323063), (63, 1029049), (147, 441021), (343, 189009), (441, 147007), (1029, 63003), (3087, 21001)]