289557465

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{4637}}^1$

素因数の和:4849

約数の個数: 32

約数和(自身を含む): 486210816

約数和(自身を除く): 196653351

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 2715, 4163, 4637, 12489, 13911, 20815, 23185, 62445, 69555, 106651, 319953, 533255, 839297, 1599765, 2517891, 4196485, 12589455, 19303831, 57911493, 96519155, 289557465]

約数ペア:

[(1, 289557465), (3, 96519155), (5, 57911493), (15, 19303831), (23, 12589455), (69, 4196485), (115, 2517891), (181, 1599765), (345, 839297), (543, 533255), (905, 319953), (2715, 106651), (4163, 69555), (4637, 62445), (12489, 23185), (13911, 20815)]