28762155

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 51393600

約数和(自身を除く): 22631445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 829, 1285, 2313, 2487, 3855, 4145, 6939, 7461, 11565, 12435, 22383, 34695, 37305, 111915, 213053, 639159, 1065265, 1917477, 3195795, 5752431, 9587385, 28762155]

約数ペア:

[(1, 28762155), (3, 9587385), (5, 5752431), (9, 3195795), (15, 1917477), (27, 1065265), (45, 639159), (135, 213053), (257, 111915), (771, 37305), (829, 34695), (1285, 22383), (2313, 12435), (2487, 11565), (3855, 7461), (4145, 6939)]