2638581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 3943488

約数和(自身を除く): 1304907

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 2161, 6483, 23771, 71313, 79957, 239871, 879527, 2638581]

約数ペア:

[(1, 2638581), (3, 879527), (11, 239871), (33, 79957), (37, 71313), (111, 23771), (407, 6483), (1221, 2161)]