28000755

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 50065920

約数和(自身を除く): 22065165

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 983, 1055, 1899, 2949, 3165, 4915, 5697, 8847, 9495, 14745, 26541, 28485, 44235, 132705, 207413, 622239, 1037065, 1866717, 3111195, 5600151, 9333585, 28000755]

約数ペア:

[(1, 28000755), (3, 9333585), (5, 5600151), (9, 3111195), (15, 1866717), (27, 1037065), (45, 622239), (135, 207413), (211, 132705), (633, 44235), (983, 28485), (1055, 26541), (1899, 14745), (2949, 9495), (3165, 8847), (4915, 5697)]