12145725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2386

約数の個数: 36

約数和(自身を含む): 22709856

約数和(自身を除く): 10564131

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 2347, 5175, 7041, 11735, 21123, 35205, 53981, 58675, 105615, 161943, 176025, 269905, 485829, 528075, 809715, 1349525, 2429145, 4048575, 12145725]

約数ペア:

[(1, 12145725), (3, 4048575), (5, 2429145), (9, 1349525), (15, 809715), (23, 528075), (25, 485829), (45, 269905), (69, 176025), (75, 161943), (115, 105615), (207, 58675), (225, 53981), (345, 35205), (575, 21123), (1035, 11735), (1725, 7041), (2347, 5175)]