1248075

素因数分解:

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

素因数の和:105

約数の個数: 36

約数和(自身を含む): 2347320

約数和(自身を除く): 1099245

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1849, 1935, 3225, 5547, 5805, 9245, 9675, 16641, 27735, 29025, 46225, 49923, 83205, 138675, 249615, 416025, 1248075]

約数ペア:

[(1, 1248075), (3, 416025), (5, 249615), (9, 138675), (15, 83205), (25, 49923), (27, 46225), (43, 29025), (45, 27735), (75, 16641), (129, 9675), (135, 9245), (215, 5805), (225, 5547), (387, 3225), (645, 1935), (675, 1849), (1075, 1161)]