81166155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17977}}^1$

素因数の和:18035

約数の個数: 32

約数和(自身を含む): 151878144

約数和(自身を除く): 70711989

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 17977, 53931, 89885, 125839, 269655, 377517, 629195, 773011, 1887585, 2319033, 3865055, 5411077, 11595165, 16233231, 27055385, 81166155]

約数ペア:

[(1, 81166155), (3, 27055385), (5, 16233231), (7, 11595165), (15, 5411077), (21, 3865055), (35, 2319033), (43, 1887585), (105, 773011), (129, 629195), (215, 377517), (301, 269655), (645, 125839), (903, 89885), (1505, 53931), (4515, 17977)]