204073125

素因数分解:

$3^1\times 5^4\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 343090176

約数和(自身を除く): 139017051

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 375, 381, 625, 635, 857, 1875, 1905, 2571, 3175, 4285, 9525, 12855, 15875, 21425, 47625, 64275, 79375, 107125, 108839, 238125, 321375, 326517, 535625, 544195, 1606875, 1632585, 2720975, 8162925, 13604875, 40814625, 68024375, 204073125]

約数ペア:

[(1, 204073125), (3, 68024375), (5, 40814625), (15, 13604875), (25, 8162925), (75, 2720975), (125, 1632585), (127, 1606875), (375, 544195), (381, 535625), (625, 326517), (635, 321375), (857, 238125), (1875, 108839), (1905, 107125), (2571, 79375), (3175, 64275), (4285, 47625), (9525, 21425), (12855, 15875)]