28805895

素因数分解:

$3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 51436800

約数和(自身を除く): 22630905

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 379, 563, 1137, 1689, 1895, 2815, 3411, 5067, 5685, 8445, 10233, 15201, 17055, 25335, 51165, 76005, 213377, 640131, 1066885, 1920393, 3200655, 5761179, 9601965, 28805895]

約数ペア:

[(1, 28805895), (3, 9601965), (5, 5761179), (9, 3200655), (15, 1920393), (27, 1066885), (45, 640131), (135, 213377), (379, 76005), (563, 51165), (1137, 25335), (1689, 17055), (1895, 15201), (2815, 10233), (3411, 8445), (5067, 5685)]