16404921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 26347776

約数和(自身を除く): 9942855

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 4523, 13569, 40707, 58799, 140213, 176397, 420639, 529191, 1261917, 1822769, 5468307, 16404921]

約数ペア:

[(1, 16404921), (3, 5468307), (9, 1822769), (13, 1261917), (31, 529191), (39, 420639), (93, 176397), (117, 140213), (279, 58799), (403, 40707), (1209, 13569), (3627, 4523)]