18901479897

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{1423}}^1\times {\mathrm{2549}}^1$

素因数の和:4174

約数の個数: 32

約数和(自身を含む): 28178112000

約数和(自身を除く): 9276632103

約数列:

[1, 3, 9, 27, 193, 579, 1423, 1737, 2549, 4269, 5211, 7647, 12807, 22941, 38421, 68823, 274639, 491957, 823917, 1475871, 2471751, 3627227, 4427613, 7415253, 10881681, 13282839, 32645043, 97935129, 700054811, 2100164433, 6300493299, 18901479897]

約数ペア:

[(1, 18901479897), (3, 6300493299), (9, 2100164433), (27, 700054811), (193, 97935129), (579, 32645043), (1423, 13282839), (1737, 10881681), (2549, 7415253), (4269, 4427613), (5211, 3627227), (7647, 2471751), (12807, 1475871), (22941, 823917), (38421, 491957), (68823, 274639)]