202087221

素因数分解:

$3^1\times 7^2\times {\mathrm{1374743}}^1$

素因数の和:1374760

約数の個数: 12

約数和(自身を含む): 313441632

約数和(自身を除く): 111354411

約数列:

[1, 3, 7, 21, 49, 147, 1374743, 4124229, 9623201, 28869603, 67362407, 202087221]

約数ペア:

[(1, 202087221), (3, 67362407), (7, 28869603), (21, 9623201), (49, 4124229), (147, 1374743)]