261617187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163613}}^1$

素因数の和:163670

約数の個数: 16

約数和(自身を含む): 384820128

約数和(自身を除く): 123202941

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 163613, 490839, 2126969, 6380907, 6708133, 20124399, 87205729, 261617187]

約数ペア:

[(1, 261617187), (3, 87205729), (13, 20124399), (39, 6708133), (41, 6380907), (123, 2126969), (533, 490839), (1599, 163613)]