81690189

素因数分解:

$3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{14461}}^1$

素因数の和:14740

約数の個数: 16

約数和(自身を含む): 124951680

約数和(自身を除く): 43261491

約数列:

[1, 3, 7, 21, 269, 807, 1883, 5649, 14461, 43383, 101227, 303681, 3890009, 11670027, 27230063, 81690189]

約数ペア:

[(1, 81690189), (3, 27230063), (7, 11670027), (21, 3890009), (269, 303681), (807, 101227), (1883, 43383), (5649, 14461)]