156945519

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{3719}}^1$

素因数の和:4252

約数の個数: 20

約数和(自身を含む): 234962640

約数和(自身を除く): 78017121

約数列:

[1, 3, 9, 27, 81, 521, 1563, 3719, 4689, 11157, 14067, 33471, 42201, 100413, 301239, 1937599, 5812797, 17438391, 52315173, 156945519]

約数ペア:

[(1, 156945519), (3, 52315173), (9, 17438391), (27, 5812797), (81, 1937599), (521, 301239), (1563, 100413), (3719, 42201), (4689, 33471), (11157, 14067)]