81330521041

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55591607}}^1$

素因数の和:55591644

約数の個数: 16

約数和(自身を含む): 106735887360

約数和(自身を除く): 25405366319

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55591607, 389141249, 611507677, 1056240533, 4280553739, 7393683731, 11618645863, 81330521041]

約数ペア:

[(1, 81330521041), (7, 11618645863), (11, 7393683731), (19, 4280553739), (77, 1056240533), (133, 611507677), (209, 389141249), (1463, 55591607)]