153901825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 245698560

約数和(自身を除く): 91796735

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 1085, 1705, 1925, 2387, 2579, 5425, 8525, 11935, 12895, 18053, 28369, 59675, 64475, 79949, 90265, 141845, 198583, 399745, 451325, 559643, 709225, 879439, 992915, 1998725, 2798215, 4397195, 4964575, 6156073, 13991075, 21985975, 30780365, 153901825]

約数ペア:

[(1, 153901825), (5, 30780365), (7, 21985975), (11, 13991075), (25, 6156073), (31, 4964575), (35, 4397195), (55, 2798215), (77, 1998725), (155, 992915), (175, 879439), (217, 709225), (275, 559643), (341, 451325), (385, 399745), (775, 198583), (1085, 141845), (1705, 90265), (1925, 79949), (2387, 64475), (2579, 59675), (5425, 28369), (8525, 18053), (11935, 12895)]