16869891

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 24438864

約数和(自身を除く): 7568973

約数列:

[1, 3, 19, 37, 57, 111, 361, 421, 703, 1083, 1263, 2109, 7999, 13357, 15577, 23997, 40071, 46731, 151981, 295963, 455943, 887889, 5623297, 16869891]

約数ペア:

[(1, 16869891), (3, 5623297), (19, 887889), (37, 455943), (57, 295963), (111, 151981), (361, 46731), (421, 40071), (703, 23997), (1083, 15577), (1263, 13357), (2109, 7999)]