31540491

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 48516624

約数和(自身を除く): 16976133

約数列:

[1, 3, 9, 17, 51, 153, 211, 633, 977, 1899, 2931, 3587, 8793, 10761, 16609, 32283, 49827, 149481, 206147, 618441, 1855323, 3504499, 10513497, 31540491]

約数ペア:

[(1, 31540491), (3, 10513497), (9, 3504499), (17, 1855323), (51, 618441), (153, 206147), (211, 149481), (633, 49827), (977, 32283), (1899, 16609), (2931, 10761), (3587, 8793)]