28977945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 51684480

約数和(自身を除く): 22706535

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 5981, 17943, 29905, 89715, 101677, 113639, 305031, 340917, 508385, 568195, 1525155, 1704585, 1931863, 5795589, 9659315, 28977945]

約数ペア:

[(1, 28977945), (3, 9659315), (5, 5795589), (15, 1931863), (17, 1704585), (19, 1525155), (51, 568195), (57, 508385), (85, 340917), (95, 305031), (255, 113639), (285, 101677), (323, 89715), (969, 29905), (1615, 17943), (4845, 5981)]