31231447

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 4411433

約数列:

[1, 13, 23, 67, 299, 871, 1541, 1559, 20033, 20267, 35857, 104453, 466141, 1357889, 2402419, 31231447]

約数ペア:

[(1, 31231447), (13, 2402419), (23, 1357889), (67, 466141), (299, 104453), (871, 35857), (1541, 20267), (1559, 20033)]