31988655

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1123}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 57189120

約数和(自身を除く): 25200465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 1055, 1123, 1899, 3165, 3369, 5615, 5697, 9495, 10107, 16845, 28485, 30321, 50535, 151605, 236953, 710859, 1184765, 2132577, 3554295, 6397731, 10662885, 31988655]

約数ペア:

[(1, 31988655), (3, 10662885), (5, 6397731), (9, 3554295), (15, 2132577), (27, 1184765), (45, 710859), (135, 236953), (211, 151605), (633, 50535), (1055, 30321), (1123, 28485), (1899, 16845), (3165, 10107), (3369, 9495), (5615, 5697)]