12800325

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1657}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 21381568

約数和(自身を除く): 8581243

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 1657, 2575, 4971, 7725, 8285, 24855, 41425, 124275, 170671, 512013, 853355, 2560065, 4266775, 12800325]

約数ペア:

[(1, 12800325), (3, 4266775), (5, 2560065), (15, 853355), (25, 512013), (75, 170671), (103, 124275), (309, 41425), (515, 24855), (1545, 8285), (1657, 7725), (2575, 4971)]