9881109

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 17483648

約数和(自身を除く): 7602539

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 157, 189, 243, 259, 333, 471, 567, 777, 999, 1099, 1413, 1701, 2331, 2997, 3297, 4239, 5809, 6993, 8991, 9891, 12717, 17427, 20979, 29673, 38151, 40663, 52281, 62937, 89019, 121989, 156843, 267057, 365967, 470529, 1097901, 1411587, 3293703, 9881109]

約数ペア:

[(1, 9881109), (3, 3293703), (7, 1411587), (9, 1097901), (21, 470529), (27, 365967), (37, 267057), (63, 156843), (81, 121989), (111, 89019), (157, 62937), (189, 52281), (243, 40663), (259, 38151), (333, 29673), (471, 20979), (567, 17427), (777, 12717), (999, 9891), (1099, 8991), (1413, 6993), (1701, 5809), (2331, 4239), (2997, 3297)]