87012189

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79901}}^1$

素因数の和:79929

約数の個数: 18

約数和(自身を含む): 138150558

約数和(自身を除く): 51138369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 79901, 239703, 719109, 878911, 2636733, 7910199, 9668021, 29004063, 87012189]

約数ペア:

[(1, 87012189), (3, 29004063), (9, 9668021), (11, 7910199), (33, 2636733), (99, 878911), (121, 719109), (363, 239703), (1089, 79901)]