16881993

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2229

約数の個数: 16

約数和(自身を含む): 25099200

約数和(自身を除く): 8217207

約数列:

[1, 3, 9, 27, 331, 993, 1889, 2979, 5667, 8937, 17001, 51003, 625259, 1875777, 5627331, 16881993]

約数ペア:

[(1, 16881993), (3, 5627331), (9, 1875777), (27, 625259), (331, 51003), (993, 17001), (1889, 8937), (2979, 5667)]