72053775

素因数分解:

$3^2\times 5^2\times {\mathrm{320239}}^1$

素因数の和:320255

約数の個数: 18

約数和(自身を含む): 129056720

約数和(自身を除く): 57002945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 320239, 960717, 1601195, 2882151, 4803585, 8005975, 14410755, 24017925, 72053775]

約数ペア:

[(1, 72053775), (3, 24017925), (5, 14410755), (9, 8005975), (15, 4803585), (25, 2882151), (45, 1601195), (75, 960717), (225, 320239)]