28286505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48353}}^1$

素因数の和:48377

約数の個数: 24

約数和(自身を含む): 52802568

約数和(自身を除く): 24516063

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 48353, 145059, 241765, 435177, 628589, 725295, 1885767, 2175885, 3142945, 5657301, 9428835, 28286505]

約数ペア:

[(1, 28286505), (3, 9428835), (5, 5657301), (9, 3142945), (13, 2175885), (15, 1885767), (39, 725295), (45, 628589), (65, 435177), (117, 241765), (195, 145059), (585, 48353)]