2021987505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{8053}}^1$

素因数の和:8961

約数の個数: 32

約数和(自身を含む): 3409741440

約数和(自身を除く): 1387753935

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 881, 2643, 4405, 8053, 13215, 16739, 24159, 40265, 50217, 83695, 120795, 153007, 251085, 459021, 765035, 2295105, 7094693, 21284079, 35473465, 106420395, 134799167, 404397501, 673995835, 2021987505]

約数ペア:

[(1, 2021987505), (3, 673995835), (5, 404397501), (15, 134799167), (19, 106420395), (57, 35473465), (95, 21284079), (285, 7094693), (881, 2295105), (2643, 765035), (4405, 459021), (8053, 251085), (13215, 153007), (16739, 120795), (24159, 83695), (40265, 50217)]