138889206

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{108677}}^1$

素因数の和:108756

約数の個数: 24

約数和(自身を含む): 305167824

約数和(自身を除く): 166278618

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 108677, 217354, 326031, 652062, 978093, 1956186, 7716067, 15432134, 23148201, 46296402, 69444603, 138889206]

約数ペア:

[(1, 138889206), (2, 69444603), (3, 46296402), (6, 23148201), (9, 15432134), (18, 7716067), (71, 1956186), (142, 978093), (213, 652062), (426, 326031), (639, 217354), (1278, 108677)]