28601985

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31259}}^1$

素因数の和:31328

約数の個数: 16

約数和(自身を含む): 46514880

約数和(自身を除く): 17912895

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 31259, 93777, 156295, 468885, 1906799, 5720397, 9533995, 28601985]

約数ペア:

[(1, 28601985), (3, 9533995), (5, 5720397), (15, 1906799), (61, 468885), (183, 156295), (305, 93777), (915, 31259)]