13881987

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1231}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 23063040

約数和(自身を除く): 9181053

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1231, 1253, 1611, 3693, 3759, 8617, 11079, 11277, 25851, 77553, 220349, 661047, 1542443, 1983141, 4627329, 13881987]

約数ペア:

[(1, 13881987), (3, 4627329), (7, 1983141), (9, 1542443), (21, 661047), (63, 220349), (179, 77553), (537, 25851), (1231, 11277), (1253, 11079), (1611, 8617), (3693, 3759)]