138108565

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127289}}^1$

素因数の和:127332

約数の個数: 16

約数和(自身を含む): 195517440

約数和(自身を除く): 57408875

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 127289, 636445, 891023, 3945959, 4455115, 19729795, 27621713, 138108565]

約数ペア:

[(1, 138108565), (5, 27621713), (7, 19729795), (31, 4455115), (35, 3945959), (155, 891023), (217, 636445), (1085, 127289)]