64689723

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2339}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 107078400

約数和(自身を除く): 42388677

約数列:

[1, 3, 7, 9, 21, 63, 439, 1317, 2339, 3073, 3951, 7017, 9219, 16373, 21051, 27657, 49119, 147357, 1026821, 3080463, 7187747, 9241389, 21563241, 64689723]

約数ペア:

[(1, 64689723), (3, 21563241), (7, 9241389), (9, 7187747), (21, 3080463), (63, 1026821), (439, 147357), (1317, 49119), (2339, 27657), (3073, 21051), (3951, 16373), (7017, 9219)]