81111921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{17683}}^1$

素因数の和:17836

約数の個数: 16

約数和(自身を含む): 118836480

約数和(自身を除く): 37724559

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 17683, 53049, 194513, 583539, 2457937, 7373811, 27037307, 81111921]

約数ペア:

[(1, 81111921), (3, 27037307), (11, 7373811), (33, 2457937), (139, 583539), (417, 194513), (1529, 53049), (4587, 17683)]