3897855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 7465920

約数和(自身を除く): 3568065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 2221, 6663, 11105, 19989, 28873, 33315, 59967, 86619, 99945, 144365, 259857, 299835, 433095, 779571, 1299285, 3897855]

約数ペア:

[(1, 3897855), (3, 1299285), (5, 779571), (9, 433095), (13, 299835), (15, 259857), (27, 144365), (39, 99945), (45, 86619), (65, 59967), (117, 33315), (135, 28873), (195, 19989), (351, 11105), (585, 6663), (1755, 2221)]