81113319

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4933}}^1$

素因数の和:4981

約数の個数: 40

約数和(自身を含む): 143283360

約数和(自身を除く): 62170041

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 4933, 5481, 14799, 16443, 34531, 44397, 103593, 133191, 143057, 310779, 399573, 429171, 932337, 1001399, 1287513, 2797011, 3004197, 3862539, 9012591, 11587617, 27037773, 81113319]

約数ペア:

[(1, 81113319), (3, 27037773), (7, 11587617), (9, 9012591), (21, 3862539), (27, 3004197), (29, 2797011), (63, 1287513), (81, 1001399), (87, 932337), (189, 429171), (203, 399573), (261, 310779), (567, 143057), (609, 133191), (783, 103593), (1827, 44397), (2349, 34531), (4933, 16443), (5481, 14799)]