15643125

素因数分解:

$3^5\times 5^4\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 29565536

約数和(自身を除く): 13922411

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 125, 135, 225, 243, 309, 375, 405, 515, 625, 675, 927, 1125, 1215, 1545, 1875, 2025, 2575, 2781, 3375, 4635, 5625, 6075, 7725, 8343, 10125, 12875, 13905, 16875, 23175, 25029, 30375, 38625, 41715, 50625, 64375, 69525, 115875, 125145, 151875, 193125, 208575, 347625, 579375, 625725, 1042875, 1738125, 3128625, 5214375, 15643125]

約数ペア:

[(1, 15643125), (3, 5214375), (5, 3128625), (9, 1738125), (15, 1042875), (25, 625725), (27, 579375), (45, 347625), (75, 208575), (81, 193125), (103, 151875), (125, 125145), (135, 115875), (225, 69525), (243, 64375), (309, 50625), (375, 41715), (405, 38625), (515, 30375), (625, 25029), (675, 23175), (927, 16875), (1125, 13905), (1215, 12875), (1545, 10125), (1875, 8343), (2025, 7725), (2575, 6075), (2781, 5625), (3375, 4635)]