30819537

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1949}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 51105600

約数和(自身を除く): 20286063

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 1949, 2259, 5271, 5847, 13643, 15813, 17541, 40929, 122787, 489199, 1467597, 3424393, 4402791, 10273179, 30819537]

約数ペア:

[(1, 30819537), (3, 10273179), (7, 4402791), (9, 3424393), (21, 1467597), (63, 489199), (251, 122787), (753, 40929), (1757, 17541), (1949, 15813), (2259, 13643), (5271, 5847)]