129343431

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1811}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 208742400

約数和(自身を除く): 79398969

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 1253, 1811, 3401, 3759, 5433, 10203, 12677, 23807, 34409, 38031, 71421, 103227, 240863, 324169, 722589, 972507, 2269183, 6159211, 6807549, 18477633, 43114477, 129343431]

約数ペア:

[(1, 129343431), (3, 43114477), (7, 18477633), (19, 6807549), (21, 6159211), (57, 2269183), (133, 972507), (179, 722589), (399, 324169), (537, 240863), (1253, 103227), (1811, 71421), (3401, 38031), (3759, 34409), (5433, 23807), (10203, 12677)]