7807725

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 14731200

約数和(自身を除く): 6923475

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 269, 387, 645, 675, 807, 1075, 1161, 1345, 1935, 2421, 3225, 4035, 5805, 6725, 7263, 9675, 11567, 12105, 20175, 29025, 34701, 36315, 57835, 60525, 104103, 173505, 181575, 289175, 312309, 520515, 867525, 1561545, 2602575, 7807725]

約数ペア:

[(1, 7807725), (3, 2602575), (5, 1561545), (9, 867525), (15, 520515), (25, 312309), (27, 289175), (43, 181575), (45, 173505), (75, 104103), (129, 60525), (135, 57835), (215, 36315), (225, 34701), (269, 29025), (387, 20175), (645, 12105), (675, 11567), (807, 9675), (1075, 7263), (1161, 6725), (1345, 5805), (1935, 4035), (2421, 3225)]