80780325

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{10457}}^1$

素因数の和:10573

約数の個数: 24

約数和(自身を含む): 134866368

約数和(自身を除く): 54086043

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 7725, 10457, 31371, 52285, 156855, 261425, 784275, 1077071, 3231213, 5385355, 16156065, 26926775, 80780325]

約数ペア:

[(1, 80780325), (3, 26926775), (5, 16156065), (15, 5385355), (25, 3231213), (75, 1077071), (103, 784275), (309, 261425), (515, 156855), (1545, 52285), (2575, 31371), (7725, 10457)]