28038735

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2953}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 48847344

約数和(自身を除く): 20808609

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2953, 3165, 8859, 9495, 14765, 26577, 44295, 132885, 623083, 1869249, 3115415, 5607747, 9346245, 28038735]

約数ペア:

[(1, 28038735), (3, 9346245), (5, 5607747), (9, 3115415), (15, 1869249), (45, 623083), (211, 132885), (633, 44295), (1055, 26577), (1899, 14765), (2953, 9495), (3165, 8859)]