320486139

素因数分解:

$3^5\times {\mathrm{683}}^1\times {\mathrm{1931}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 481021632

約数和(自身を除く): 160535493

約数列:

[1, 3, 9, 27, 81, 243, 683, 1931, 2049, 5793, 6147, 17379, 18441, 52137, 55323, 156411, 165969, 469233, 1318873, 3956619, 11869857, 35609571, 106828713, 320486139]

約数ペア:

[(1, 320486139), (3, 106828713), (9, 35609571), (27, 11869857), (81, 3956619), (243, 1318873), (683, 469233), (1931, 165969), (2049, 156411), (5793, 55323), (6147, 52137), (17379, 18441)]