28708911

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4603}}^1$

素因数の和:4633

約数の個数: 40

約数和(自身を含む): 53480064

約数和(自身を除く): 24771153

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 4603, 6237, 13809, 32221, 41427, 50633, 96663, 124281, 151899, 289989, 354431, 372843, 455697, 869967, 1063293, 1367091, 2609901, 3189879, 4101273, 9569637, 28708911]

約数ペア:

[(1, 28708911), (3, 9569637), (7, 4101273), (9, 3189879), (11, 2609901), (21, 1367091), (27, 1063293), (33, 869967), (63, 455697), (77, 372843), (81, 354431), (99, 289989), (189, 151899), (231, 124281), (297, 96663), (567, 50633), (693, 41427), (891, 32221), (2079, 13809), (4603, 6237)]