64918917

素因数分解:

$3^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1811}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 107415360

約数和(自身を除く): 42496443

約数列:

[1, 3, 7, 9, 21, 63, 569, 1707, 1811, 3983, 5121, 5433, 11949, 12677, 16299, 35847, 38031, 114093, 1030459, 3091377, 7213213, 9274131, 21639639, 64918917]

約数ペア:

[(1, 64918917), (3, 21639639), (7, 9274131), (9, 7213213), (21, 3091377), (63, 1030459), (569, 114093), (1707, 38031), (1811, 35847), (3983, 16299), (5121, 12677), (5433, 11949)]