1938699117

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{158507}}^1$

素因数の和:158670

約数の個数: 20

約数和(自身を含む): 2915279136

約数和(自身を除く): 976580019

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 158507, 475521, 1426563, 4279689, 12839067, 23934557, 71803671, 215411013, 646233039, 1938699117]

約数ペア:

[(1, 1938699117), (3, 646233039), (9, 215411013), (27, 71803671), (81, 23934557), (151, 12839067), (453, 4279689), (1359, 1426563), (4077, 475521), (12231, 158507)]