27781169

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 31029264

約数和(自身を除く): 3248095

約数列:

[1, 13, 53, 61, 661, 689, 793, 3233, 8593, 35033, 40321, 42029, 455429, 524173, 2137013, 27781169]

約数ペア:

[(1, 27781169), (13, 2137013), (53, 524173), (61, 455429), (661, 42029), (689, 40321), (793, 35033), (3233, 8593)]