287235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 537264

約数和(自身を除く): 250029

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 491, 585, 1473, 2455, 4419, 6383, 7365, 19149, 22095, 31915, 57447, 95745, 287235]

約数ペア:

[(1, 287235), (3, 95745), (5, 57447), (9, 31915), (13, 22095), (15, 19149), (39, 7365), (45, 6383), (65, 4419), (117, 2455), (195, 1473), (491, 585)]