16945641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 25923456

約数和(自身を除く): 8977815

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1153, 1633, 3459, 4899, 10377, 14697, 26519, 79557, 81863, 238671, 245589, 736767, 1882849, 5648547, 16945641]

約数ペア:

[(1, 16945641), (3, 5648547), (9, 1882849), (23, 736767), (69, 245589), (71, 238671), (207, 81863), (213, 79557), (639, 26519), (1153, 14697), (1633, 10377), (3459, 4899)]