20161958457

素因数分解:

$3^1\times {\mathrm{263}}^1\times {\mathrm{1723}}^1\times {\mathrm{14831}}^1$

素因数の和:16820

約数の個数: 16

約数和(自身を含む): 27002308608

約数和(自身を除く): 6840350151

約数列:

[1, 3, 263, 789, 1723, 5169, 14831, 44493, 453149, 1359447, 3900553, 11701659, 25553813, 76661439, 6720652819, 20161958457]

約数ペア:

[(1, 20161958457), (3, 6720652819), (263, 76661439), (789, 25553813), (1723, 11701659), (5169, 3900553), (14831, 1359447), (44493, 453149)]