13859825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 20326080

約数和(自身を除く): 6466255

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 2731, 5075, 13655, 19117, 68275, 79199, 95585, 395995, 477925, 554393, 1979975, 2771965, 13859825]

約数ペア:

[(1, 13859825), (5, 2771965), (7, 1979975), (25, 554393), (29, 477925), (35, 395995), (145, 95585), (175, 79199), (203, 68275), (725, 19117), (1015, 13655), (2731, 5075)]