12145875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 23546016

約数和(自身を除く): 11400141

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 661, 735, 875, 1225, 1983, 2625, 3305, 3675, 4627, 6125, 9915, 13881, 16525, 18375, 23135, 32389, 49575, 69405, 82625, 97167, 115675, 161945, 247875, 347025, 485835, 578375, 809725, 1735125, 2429175, 4048625, 12145875]

約数ペア:

[(1, 12145875), (3, 4048625), (5, 2429175), (7, 1735125), (15, 809725), (21, 578375), (25, 485835), (35, 347025), (49, 247875), (75, 161945), (105, 115675), (125, 97167), (147, 82625), (175, 69405), (245, 49575), (375, 32389), (525, 23135), (661, 18375), (735, 16525), (875, 13881), (1225, 9915), (1983, 6125), (2625, 4627), (3305, 3675)]