28378395

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3169}}^1$

素因数の和:3379

約数の個数: 24

約数和(自身を含む): 49452000

約数和(自身を除く): 21073605

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2985, 3169, 8955, 9507, 15845, 28521, 47535, 142605, 630631, 1891893, 3153155, 5675679, 9459465, 28378395]

約数ペア:

[(1, 28378395), (3, 9459465), (5, 5675679), (9, 3153155), (15, 1891893), (45, 630631), (199, 142605), (597, 47535), (995, 28521), (1791, 15845), (2985, 9507), (3169, 8955)]