72165825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7459}}^1$

素因数の和:7518

約数の個数: 36

約数和(自身を含む): 132280720

約数和(自身を除く): 60114895

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 7459, 9675, 22377, 37295, 67131, 111885, 186475, 320737, 335655, 559425, 962211, 1603685, 1678275, 2886633, 4811055, 8018425, 14433165, 24055275, 72165825]

約数ペア:

[(1, 72165825), (3, 24055275), (5, 14433165), (9, 8018425), (15, 4811055), (25, 2886633), (43, 1678275), (45, 1603685), (75, 962211), (129, 559425), (215, 335655), (225, 320737), (387, 186475), (645, 111885), (1075, 67131), (1935, 37295), (3225, 22377), (7459, 9675)]