28701915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 21707301

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 197, 591, 883, 985, 2167, 2649, 2955, 4415, 6501, 9713, 10835, 13245, 29139, 32505, 48565, 145695, 173951, 521853, 869755, 1913461, 2609265, 5740383, 9567305, 28701915]

約数ペア:

[(1, 28701915), (3, 9567305), (5, 5740383), (11, 2609265), (15, 1913461), (33, 869755), (55, 521853), (165, 173951), (197, 145695), (591, 48565), (883, 32505), (985, 29139), (2167, 13245), (2649, 10835), (2955, 9713), (4415, 6501)]