8990919

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 15600288

約数和(自身を除く): 6609369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 157, 189, 303, 471, 567, 707, 909, 1099, 1413, 2121, 2727, 3297, 4239, 6363, 8181, 9891, 12717, 15857, 19089, 29673, 47571, 57267, 89019, 110999, 142713, 332997, 428139, 998991, 1284417, 2996973, 8990919]

約数ペア:

[(1, 8990919), (3, 2996973), (7, 1284417), (9, 998991), (21, 428139), (27, 332997), (63, 142713), (81, 110999), (101, 89019), (157, 57267), (189, 47571), (303, 29673), (471, 19089), (567, 15857), (707, 12717), (909, 9891), (1099, 8181), (1413, 6363), (2121, 4239), (2727, 3297)]