91998431

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{4397}}^1$

素因数の和:4479

約数の個数: 16

約数和(自身を含む): 109070400

約数和(自身を除く): 17071969

約数列:

[1, 7, 49, 61, 343, 427, 2989, 4397, 20923, 30779, 215453, 268217, 1508171, 1877519, 13142633, 91998431]

約数ペア:

[(1, 91998431), (7, 13142633), (49, 1877519), (61, 1508171), (343, 268217), (427, 215453), (2989, 30779), (4397, 20923)]