311490621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{20323}}^1$

素因数の和:20473

約数の個数: 24

約数和(自身を含む): 488263776

約数和(自身を除く): 176773155

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 15327, 20323, 60969, 182907, 264199, 792597, 2377791, 2662313, 7986939, 23960817, 34610069, 103830207, 311490621]

約数ペア:

[(1, 311490621), (3, 103830207), (9, 34610069), (13, 23960817), (39, 7986939), (117, 2662313), (131, 2377791), (393, 792597), (1179, 264199), (1703, 182907), (5109, 60969), (15327, 20323)]