31840125

素因数分解:

$3^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 53374464

約数和(自身を除く): 21534339

約数列:

[1, 3, 5, 15, 25, 75, 125, 197, 375, 431, 591, 985, 1293, 2155, 2955, 4925, 6465, 10775, 14775, 24625, 32325, 53875, 73875, 84907, 161625, 254721, 424535, 1273605, 2122675, 6368025, 10613375, 31840125]

約数ペア:

[(1, 31840125), (3, 10613375), (5, 6368025), (15, 2122675), (25, 1273605), (75, 424535), (125, 254721), (197, 161625), (375, 84907), (431, 73875), (591, 53875), (985, 32325), (1293, 24625), (2155, 14775), (2955, 10775), (4925, 6465)]