12855945

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 21295872

約数和(自身を除く): 8439927

約数列:

[1, 3, 5, 15, 53, 103, 157, 159, 265, 309, 471, 515, 785, 795, 1545, 2355, 5459, 8321, 16171, 16377, 24963, 27295, 41605, 48513, 80855, 81885, 124815, 242565, 857063, 2571189, 4285315, 12855945]

約数ペア:

[(1, 12855945), (3, 4285315), (5, 2571189), (15, 857063), (53, 242565), (103, 124815), (157, 81885), (159, 80855), (265, 48513), (309, 41605), (471, 27295), (515, 24963), (785, 16377), (795, 16171), (1545, 8321), (2355, 5459)]