31881291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1951}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 45911040

約数和(自身を除く): 14029749

約数列:

[1, 3, 13, 39, 419, 1257, 1951, 5447, 5853, 16341, 25363, 76089, 817469, 2452407, 10627097, 31881291]

約数ペア:

[(1, 31881291), (3, 10627097), (13, 2452407), (39, 817469), (419, 76089), (1257, 25363), (1951, 16341), (5447, 5853)]