81939361

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 97267968

約数和(自身を除く): 15328607

約数列:

[1, 7, 41, 73, 287, 511, 2993, 3911, 20951, 27377, 160351, 285503, 1122457, 1998521, 11705623, 81939361]

約数ペア:

[(1, 81939361), (7, 11705623), (41, 1998521), (73, 1122457), (287, 285503), (511, 160351), (2993, 27377), (3911, 20951)]