31138911

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{12401}}^1$

素因数の和:12444

約数の個数: 20

約数和(自身を含む): 48020544

約数和(自身を除く): 16881633

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 12401, 37203, 111609, 334827, 384431, 1004481, 1153293, 3459879, 10379637, 31138911]

約数ペア:

[(1, 31138911), (3, 10379637), (9, 3459879), (27, 1153293), (31, 1004481), (81, 384431), (93, 334827), (279, 111609), (837, 37203), (2511, 12401)]