31141875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 54994896

約数和(自身を除く): 23853021

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 977, 1275, 1875, 2125, 2931, 4885, 6375, 10625, 14655, 16609, 24425, 31875, 49827, 73275, 83045, 122125, 249135, 366375, 415225, 610625, 1245675, 1831875, 2076125, 6228375, 10380625, 31141875]

約数ペア:

[(1, 31141875), (3, 10380625), (5, 6228375), (15, 2076125), (17, 1831875), (25, 1245675), (51, 610625), (75, 415225), (85, 366375), (125, 249135), (255, 122125), (375, 83045), (425, 73275), (625, 49827), (977, 31875), (1275, 24425), (1875, 16609), (2125, 14655), (2931, 10625), (4885, 6375)]