72920475

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7537}}^1$

素因数の和:7596

約数の個数: 36

約数和(自身を含む): 133663816

約数和(自身を除く): 60743341

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 7537, 9675, 22611, 37685, 67833, 113055, 188425, 324091, 339165, 565275, 972273, 1620455, 1695825, 2916819, 4861365, 8102275, 14584095, 24306825, 72920475]

約数ペア:

[(1, 72920475), (3, 24306825), (5, 14584095), (9, 8102275), (15, 4861365), (25, 2916819), (43, 1695825), (45, 1620455), (75, 972273), (129, 565275), (215, 339165), (225, 324091), (387, 188425), (645, 113055), (1075, 67833), (1935, 37685), (3225, 22611), (7537, 9675)]