64971477

素因数分解:

$3^4\times {\mathrm{821}}^1\times {\mathrm{977}}^1$

素因数の和:1810

約数の個数: 20

約数和(自身を含む): 97273836

約数和(自身を除く): 32302359

約数列:

[1, 3, 9, 27, 81, 821, 977, 2463, 2931, 7389, 8793, 22167, 26379, 66501, 79137, 802117, 2406351, 7219053, 21657159, 64971477]

約数ペア:

[(1, 64971477), (3, 21657159), (9, 7219053), (27, 2406351), (81, 802117), (821, 79137), (977, 66501), (2463, 26379), (2931, 22167), (7389, 8793)]