64815723

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6553}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 107695328

約数和(自身を除く): 42879605

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3297, 6553, 9891, 19659, 45871, 58977, 137613, 412839, 1028821, 3086463, 7201747, 9259389, 21605241, 64815723]

約数ペア:

[(1, 64815723), (3, 21605241), (7, 9259389), (9, 7201747), (21, 3086463), (63, 1028821), (157, 412839), (471, 137613), (1099, 58977), (1413, 45871), (3297, 19659), (6553, 9891)]