16131921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3257}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 23353344

約数和(自身を除く): 7221423

約数列:

[1, 3, 13, 39, 127, 381, 1651, 3257, 4953, 9771, 42341, 127023, 413639, 1240917, 5377307, 16131921]

約数ペア:

[(1, 16131921), (3, 5377307), (13, 1240917), (39, 413639), (127, 127023), (381, 42341), (1651, 9771), (3257, 4953)]