3901905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{4129}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 7929600

約数和(自身を除く): 4027695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 4129, 12387, 20645, 28903, 37161, 61935, 86709, 111483, 144515, 185805, 260127, 433545, 557415, 780381, 1300635, 3901905]

約数ペア:

[(1, 3901905), (3, 1300635), (5, 780381), (7, 557415), (9, 433545), (15, 260127), (21, 185805), (27, 144515), (35, 111483), (45, 86709), (63, 61935), (105, 37161), (135, 28903), (189, 20645), (315, 12387), (945, 4129)]