157290417

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{102203}}^1$

素因数の和:102234

約数の個数: 20

約数和(自身を含む): 247333680

約数和(自身を除く): 90043263

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 102203, 306609, 919827, 1941857, 2759481, 5825571, 8278443, 17476713, 52430139, 157290417]

約数ペア:

[(1, 157290417), (3, 52430139), (9, 17476713), (19, 8278443), (27, 5825571), (57, 2759481), (81, 1941857), (171, 919827), (513, 306609), (1539, 102203)]