28049745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 47806848

約数和(自身を除く): 19757103

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 347, 951, 1041, 1585, 1735, 4755, 5205, 5389, 5899, 16167, 17697, 26945, 29495, 80835, 88485, 109999, 329997, 549995, 1649985, 1869983, 5609949, 9349915, 28049745]

約数ペア:

[(1, 28049745), (3, 9349915), (5, 5609949), (15, 1869983), (17, 1649985), (51, 549995), (85, 329997), (255, 109999), (317, 88485), (347, 80835), (951, 29495), (1041, 26945), (1585, 17697), (1735, 16167), (4755, 5899), (5205, 5389)]