281288565

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10909}}^1$

素因数の和:11114

約数の個数: 32

約数和(自身を含む): 502732800

約数和(自身を除く): 221444235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1719, 2865, 5157, 8595, 10909, 25785, 32727, 54545, 98181, 163635, 294543, 490905, 1472715, 2083619, 6250857, 10418095, 18752571, 31254285, 56257713, 93762855, 281288565]

約数ペア:

[(1, 281288565), (3, 93762855), (5, 56257713), (9, 31254285), (15, 18752571), (27, 10418095), (45, 6250857), (135, 2083619), (191, 1472715), (573, 490905), (955, 294543), (1719, 163635), (2865, 98181), (5157, 54545), (8595, 32727), (10909, 25785)]