54268125

素因数分解:

$3^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 91620672

約数和(自身を除く): 37352547

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 281, 309, 375, 515, 625, 843, 1405, 1545, 1875, 2575, 4215, 7025, 7725, 12875, 21075, 28943, 35125, 38625, 64375, 86829, 105375, 144715, 175625, 193125, 434145, 526875, 723575, 2170725, 3617875, 10853625, 18089375, 54268125]

約数ペア:

[(1, 54268125), (3, 18089375), (5, 10853625), (15, 3617875), (25, 2170725), (75, 723575), (103, 526875), (125, 434145), (281, 193125), (309, 175625), (375, 144715), (515, 105375), (625, 86829), (843, 64375), (1405, 38625), (1545, 35125), (1875, 28943), (2575, 21075), (4215, 12875), (7025, 7725)]