421246251

素因数分解:

$3^4\times {\mathrm{977}}^1\times {\mathrm{5323}}^1$

素因数の和:6312

約数の個数: 20

約数和(自身を含む): 630031512

約数和(自身を除く): 208785261

約数列:

[1, 3, 9, 27, 81, 977, 2931, 5323, 8793, 15969, 26379, 47907, 79137, 143721, 431163, 5200571, 15601713, 46805139, 140415417, 421246251]

約数ペア:

[(1, 421246251), (3, 140415417), (9, 46805139), (27, 15601713), (81, 5200571), (977, 431163), (2931, 143721), (5323, 79137), (8793, 47907), (15969, 26379)]