40508019

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26321}}^1$

素因数の和:26352

約数の個数: 20

約数和(自身を含む): 63699240

約数和(自身を除く): 23191221

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26321, 78963, 236889, 500099, 710667, 1500297, 2132001, 4500891, 13502673, 40508019]

約数ペア:

[(1, 40508019), (3, 13502673), (9, 4500891), (19, 2132001), (27, 1500297), (57, 710667), (81, 500099), (171, 236889), (513, 78963), (1539, 26321)]