2220855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 4376064

約数和(自身を除く): 2155209

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1627, 4881, 8135, 11389, 21151, 24405, 34167, 56945, 63453, 105755, 148057, 170835, 317265, 444171, 740285, 2220855]

約数ペア:

[(1, 2220855), (3, 740285), (5, 444171), (7, 317265), (13, 170835), (15, 148057), (21, 105755), (35, 63453), (39, 56945), (65, 34167), (91, 24405), (105, 21151), (195, 11389), (273, 8135), (455, 4881), (1365, 1627)]