2881305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{3049}}^1$

素因数の和:3070

約数の個数: 32

約数和(自身を含む): 5856000

約数和(自身を除く): 2974695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 3049, 9147, 15245, 21343, 27441, 45735, 64029, 82323, 106715, 137205, 192087, 320145, 411615, 576261, 960435, 2881305]

約数ペア:

[(1, 2881305), (3, 960435), (5, 576261), (7, 411615), (9, 320145), (15, 192087), (21, 137205), (27, 106715), (35, 82323), (45, 64029), (63, 45735), (105, 27441), (135, 21343), (189, 15245), (315, 9147), (945, 3049)]