68721525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7103}}^1$

素因数の和:7162

約数の個数: 36

約数和(自身を含む): 125968128

約数和(自身を除く): 57246603

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 7103, 9675, 21309, 35515, 63927, 106545, 177575, 305429, 319635, 532725, 916287, 1527145, 1598175, 2748861, 4581435, 7635725, 13744305, 22907175, 68721525]

約数ペア:

[(1, 68721525), (3, 22907175), (5, 13744305), (9, 7635725), (15, 4581435), (25, 2748861), (43, 1598175), (45, 1527145), (75, 916287), (129, 532725), (215, 319635), (225, 305429), (387, 177575), (645, 106545), (1075, 63927), (1935, 35515), (3225, 21309), (7103, 9675)]