3128625

素因数分解:

$3^5\times 5^3\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 5905536

約数和(自身を除く): 2776911

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 125, 135, 225, 243, 309, 375, 405, 515, 675, 927, 1125, 1215, 1545, 2025, 2575, 2781, 3375, 4635, 6075, 7725, 8343, 10125, 12875, 13905, 23175, 25029, 30375, 38625, 41715, 69525, 115875, 125145, 208575, 347625, 625725, 1042875, 3128625]

約数ペア:

[(1, 3128625), (3, 1042875), (5, 625725), (9, 347625), (15, 208575), (25, 125145), (27, 115875), (45, 69525), (75, 41715), (81, 38625), (103, 30375), (125, 25029), (135, 23175), (225, 13905), (243, 12875), (309, 10125), (375, 8343), (405, 7725), (515, 6075), (675, 4635), (927, 3375), (1125, 2781), (1215, 2575), (1545, 2025)]