28812483

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 20331837

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 971, 1099, 1413, 2913, 3297, 4239, 6797, 8739, 9891, 20391, 26217, 29673, 61173, 152447, 183519, 457341, 1067129, 1372023, 3201387, 4116069, 9604161, 28812483]

約数ペア:

[(1, 28812483), (3, 9604161), (7, 4116069), (9, 3201387), (21, 1372023), (27, 1067129), (63, 457341), (157, 183519), (189, 152447), (471, 61173), (971, 29673), (1099, 26217), (1413, 20391), (2913, 9891), (3297, 8739), (4239, 6797)]