2157525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 3971968

約数和(自身を除く): 1814443

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 223, 225, 387, 645, 669, 1075, 1115, 1935, 2007, 3225, 3345, 5575, 9589, 9675, 10035, 16725, 28767, 47945, 50175, 86301, 143835, 239725, 431505, 719175, 2157525]

約数ペア:

[(1, 2157525), (3, 719175), (5, 431505), (9, 239725), (15, 143835), (25, 86301), (43, 50175), (45, 47945), (75, 28767), (129, 16725), (215, 10035), (223, 9675), (225, 9589), (387, 5575), (645, 3345), (669, 3225), (1075, 2007), (1115, 1935)]