28249665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 20013375

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 797, 2085, 2363, 2391, 3985, 7089, 11815, 11955, 13549, 35445, 40647, 67745, 110783, 203235, 332349, 553915, 1661745, 1883311, 5649933, 9416555, 28249665]

約数ペア:

[(1, 28249665), (3, 9416555), (5, 5649933), (15, 1883311), (17, 1661745), (51, 553915), (85, 332349), (139, 203235), (255, 110783), (417, 67745), (695, 40647), (797, 35445), (2085, 13549), (2363, 11955), (2391, 11815), (3985, 7089)]