28779855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11353}}^1$

素因数の和:11387

約数の個数: 24

約数和(自身を含む): 49866768

約数和(自身を除く): 21086913

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11353, 34059, 56765, 147589, 170295, 442767, 737945, 1918657, 2213835, 5755971, 9593285, 28779855]

約数ペア:

[(1, 28779855), (3, 9593285), (5, 5755971), (13, 2213835), (15, 1918657), (39, 737945), (65, 442767), (169, 170295), (195, 147589), (507, 56765), (845, 34059), (2535, 11353)]