210917763

素因数分解:

$3^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 361377632

約数和(自身を除く): 150459869

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 397, 567, 937, 1191, 2779, 2811, 3573, 6559, 8337, 8433, 10719, 19677, 25011, 25299, 32157, 59031, 75033, 75897, 177093, 225099, 371989, 531279, 1115967, 2603923, 3347901, 7811769, 10043703, 23435307, 30131109, 70305921, 210917763]

約数ペア:

[(1, 210917763), (3, 70305921), (7, 30131109), (9, 23435307), (21, 10043703), (27, 7811769), (63, 3347901), (81, 2603923), (189, 1115967), (397, 531279), (567, 371989), (937, 225099), (1191, 177093), (2779, 75897), (2811, 75033), (3573, 59031), (6559, 32157), (8337, 25299), (8433, 25011), (10719, 19677)]