1531231793

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1637}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 1988663040

約数和(自身を除く): 457431247

約数列:

[1, 7, 13, 19, 91, 133, 247, 541, 1637, 1729, 3787, 7033, 10279, 11459, 21281, 31103, 49231, 71953, 133627, 148967, 217721, 404339, 885617, 935389, 2830373, 6199319, 11513021, 16826723, 80591147, 117787061, 218747399, 1531231793]

約数ペア:

[(1, 1531231793), (7, 218747399), (13, 117787061), (19, 80591147), (91, 16826723), (133, 11513021), (247, 6199319), (541, 2830373), (1637, 935389), (1729, 885617), (3787, 404339), (7033, 217721), (10279, 148967), (11459, 133627), (21281, 71953), (31103, 49231)]