165794517

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20089}}^1$

素因数の和:20233

約数の個数: 24

約数和(自身を含む): 275795520

約数和(自身を除く): 110001003

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 20089, 60267, 140623, 180801, 421869, 1265607, 2631659, 7894977, 18421613, 23684931, 55264839, 165794517]

約数ペア:

[(1, 165794517), (3, 55264839), (7, 23684931), (9, 18421613), (21, 7894977), (63, 2631659), (131, 1265607), (393, 421869), (917, 180801), (1179, 140623), (2751, 60267), (8253, 20089)]