1997547

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 2813952

約数和(自身を除く): 816405

約数列:

[1, 3, 31, 47, 93, 141, 457, 1371, 1457, 4371, 14167, 21479, 42501, 64437, 665849, 1997547]

約数ペア:

[(1, 1997547), (3, 665849), (31, 64437), (47, 42501), (93, 21479), (141, 14167), (457, 4371), (1371, 1457)]