131425821

素因数分解:

$3^5\times {\mathrm{557}}^1\times {\mathrm{971}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 197424864

約数和(自身を除く): 65999043

約数列:

[1, 3, 9, 27, 81, 243, 557, 971, 1671, 2913, 5013, 8739, 15039, 26217, 45117, 78651, 135351, 235953, 540847, 1622541, 4867623, 14602869, 43808607, 131425821]

約数ペア:

[(1, 131425821), (3, 43808607), (9, 14602869), (27, 4867623), (81, 1622541), (243, 540847), (557, 235953), (971, 135351), (1671, 78651), (2913, 45117), (5013, 26217), (8739, 15039)]