142135

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 16

約数和(自身を含む): 202752

約数和(自身を除く): 60617

約数列:

[1, 5, 7, 31, 35, 131, 155, 217, 655, 917, 1085, 4061, 4585, 20305, 28427, 142135]

約数ペア:

[(1, 142135), (5, 28427), (7, 20305), (31, 4585), (35, 4061), (131, 1085), (155, 917), (217, 655)]