280809963

素因数分解:

$3^3\times 7^1\times {\mathrm{463}}^1\times {\mathrm{3209}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 476620800

約数和(自身を除く): 195810837

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 463, 1389, 3209, 3241, 4167, 9627, 9723, 12501, 22463, 28881, 29169, 67389, 86643, 87507, 202167, 606501, 1485767, 4457301, 10400369, 13371903, 31201107, 40115709, 93603321, 280809963]

約数ペア:

[(1, 280809963), (3, 93603321), (7, 40115709), (9, 31201107), (21, 13371903), (27, 10400369), (63, 4457301), (189, 1485767), (463, 606501), (1389, 202167), (3209, 87507), (3241, 86643), (4167, 67389), (9627, 29169), (9723, 28881), (12501, 22463)]