81978693

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{19477}}^1$

素因数の和:19564

約数の個数: 16

約数和(自身を含む): 115933056

約数和(自身を除く): 33954363

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 19477, 58431, 447971, 1188097, 1343913, 3564291, 27326231, 81978693]

約数ペア:

[(1, 81978693), (3, 27326231), (23, 3564291), (61, 1343913), (69, 1188097), (183, 447971), (1403, 58431), (4209, 19477)]