171940077

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{21017}}^1$

素因数の和:21130

約数の個数: 20

約数和(自身を含む): 259404156

約数和(自身を除く): 87464079

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 21017, 63051, 189153, 567459, 1702377, 2122717, 6368151, 19104453, 57313359, 171940077]

約数ペア:

[(1, 171940077), (3, 57313359), (9, 19104453), (27, 6368151), (81, 2122717), (101, 1702377), (303, 567459), (909, 189153), (2727, 63051), (8181, 21017)]