8139369

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 12939264

約数和(自身を除く): 4799895

約数列:

[1, 3, 7, 21, 53, 71, 103, 159, 213, 309, 371, 497, 721, 1113, 1491, 2163, 3763, 5459, 7313, 11289, 16377, 21939, 26341, 38213, 51191, 79023, 114639, 153573, 387589, 1162767, 2713123, 8139369]

約数ペア:

[(1, 8139369), (3, 2713123), (7, 1162767), (21, 387589), (53, 153573), (71, 114639), (103, 79023), (159, 51191), (213, 38213), (309, 26341), (371, 21939), (497, 16377), (721, 11289), (1113, 7313), (1491, 5459), (2163, 3763)]