1565421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 2540160

約数和(自身を除く): 974739

約数列:

[1, 3, 11, 13, 33, 39, 41, 89, 123, 143, 267, 429, 451, 533, 979, 1157, 1353, 1599, 2937, 3471, 3649, 5863, 10947, 12727, 17589, 38181, 40139, 47437, 120417, 142311, 521807, 1565421]

約数ペア:

[(1, 1565421), (3, 521807), (11, 142311), (13, 120417), (33, 47437), (39, 40139), (41, 38181), (89, 17589), (123, 12727), (143, 10947), (267, 5863), (429, 3649), (451, 3471), (533, 2937), (979, 1599), (1157, 1353)]