28883901

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 13417539

約数列:

[1, 3, 17, 51, 67, 79, 107, 201, 237, 321, 1139, 1343, 1819, 3417, 4029, 5293, 5457, 7169, 8453, 15879, 21507, 25359, 89981, 121873, 143701, 269943, 365619, 431103, 566351, 1699053, 9627967, 28883901]

約数ペア:

[(1, 28883901), (3, 9627967), (17, 1699053), (51, 566351), (67, 431103), (79, 365619), (107, 269943), (201, 143701), (237, 121873), (321, 89981), (1139, 25359), (1343, 21507), (1819, 15879), (3417, 8453), (4029, 7169), (5293, 5457)]