28495185

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 47184768

約数和(自身を除く): 18689583

約数列:

[1, 3, 5, 15, 53, 73, 159, 219, 265, 365, 491, 795, 1095, 1473, 2455, 3869, 7365, 11607, 19345, 26023, 35843, 58035, 78069, 107529, 130115, 179215, 390345, 537645, 1899679, 5699037, 9498395, 28495185]

約数ペア:

[(1, 28495185), (3, 9498395), (5, 5699037), (15, 1899679), (53, 537645), (73, 390345), (159, 179215), (219, 130115), (265, 107529), (365, 78069), (491, 58035), (795, 35843), (1095, 26023), (1473, 19345), (2455, 11607), (3869, 7365)]