20483199

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 13761921

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 97, 99, 237, 243, 291, 297, 711, 869, 873, 891, 1067, 2133, 2607, 2619, 2673, 3201, 6399, 7663, 7821, 7857, 9603, 19197, 22989, 23463, 23571, 28809, 68967, 70389, 84293, 86427, 206901, 211167, 252879, 259281, 620703, 758637, 1862109, 2275911, 6827733, 20483199]

約数ペア:

[(1, 20483199), (3, 6827733), (9, 2275911), (11, 1862109), (27, 758637), (33, 620703), (79, 259281), (81, 252879), (97, 211167), (99, 206901), (237, 86427), (243, 84293), (291, 70389), (297, 68967), (711, 28809), (869, 23571), (873, 23463), (891, 22989), (1067, 19197), (2133, 9603), (2607, 7857), (2619, 7821), (2673, 7663), (3201, 6399)]