2013073125

素因数分解:

$3^1\times 5^4\times 7^2\times {\mathrm{21911}}^1$

素因数の和:21948

約数の個数: 60

約数和(自身を含む): 3901826016

約数和(自身を除く): 1888752891

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 625, 735, 875, 1225, 1875, 2625, 3675, 4375, 6125, 13125, 18375, 21911, 30625, 65733, 91875, 109555, 153377, 328665, 460131, 547775, 766885, 1073639, 1643325, 2300655, 2738875, 3220917, 3834425, 5368195, 8216625, 11503275, 13694375, 16104585, 19172125, 26840975, 41083125, 57516375, 80522925, 95860625, 134204875, 287581875, 402614625, 671024375, 2013073125]

約数ペア:

[(1, 2013073125), (3, 671024375), (5, 402614625), (7, 287581875), (15, 134204875), (21, 95860625), (25, 80522925), (35, 57516375), (49, 41083125), (75, 26840975), (105, 19172125), (125, 16104585), (147, 13694375), (175, 11503275), (245, 8216625), (375, 5368195), (525, 3834425), (625, 3220917), (735, 2738875), (875, 2300655), (1225, 1643325), (1875, 1073639), (2625, 766885), (3675, 547775), (4375, 460131), (6125, 328665), (13125, 153377), (18375, 109555), (21911, 91875), (30625, 65733)]