51326379

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 83751360

約数和(自身を除く): 32424981

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 351, 617, 711, 1027, 1053, 1851, 2133, 3081, 5553, 6399, 8021, 9243, 16659, 24063, 27729, 48743, 49977, 72189, 83187, 146229, 216567, 438687, 633659, 649701, 1316061, 1900977, 3948183, 5702931, 17108793, 51326379]

約数ペア:

[(1, 51326379), (3, 17108793), (9, 5702931), (13, 3948183), (27, 1900977), (39, 1316061), (79, 649701), (81, 633659), (117, 438687), (237, 216567), (351, 146229), (617, 83187), (711, 72189), (1027, 49977), (1053, 48743), (1851, 27729), (2133, 24063), (3081, 16659), (5553, 9243), (6399, 8021)]