311976489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 468775296

約数和(自身を除く): 156798807

約数列:

[1, 3, 11, 33, 37, 111, 197, 407, 591, 1221, 1297, 2167, 3891, 6501, 7289, 14267, 21867, 42801, 47989, 80179, 143967, 240537, 255509, 527879, 766527, 1583637, 2810599, 8431797, 9453833, 28361499, 103992163, 311976489]

約数ペア:

[(1, 311976489), (3, 103992163), (11, 28361499), (33, 9453833), (37, 8431797), (111, 2810599), (197, 1583637), (407, 766527), (591, 527879), (1221, 255509), (1297, 240537), (2167, 143967), (3891, 80179), (6501, 47989), (7289, 42801), (14267, 21867)]