28718745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15823}}^1$

素因数の和:15853

約数の個数: 24

約数和(自身を含む): 50510208

約数和(自身を除く): 21791463

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15823, 47469, 79115, 174053, 237345, 522159, 870265, 1914583, 2610795, 5743749, 9572915, 28718745]

約数ペア:

[(1, 28718745), (3, 9572915), (5, 5743749), (11, 2610795), (15, 1914583), (33, 870265), (55, 522159), (121, 237345), (165, 174053), (363, 79115), (605, 47469), (1815, 15823)]