212929155

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1871}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 383258304

約数和(自身を除く): 170329149

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 843, 1405, 1871, 2529, 4215, 5613, 7587, 9355, 12645, 16839, 22761, 28065, 37935, 50517, 84195, 113805, 151551, 252585, 525751, 757755, 1577253, 2628755, 4731759, 7886265, 14195277, 23658795, 42585831, 70976385, 212929155]

約数ペア:

[(1, 212929155), (3, 70976385), (5, 42585831), (9, 23658795), (15, 14195277), (27, 7886265), (45, 4731759), (81, 2628755), (135, 1577253), (281, 757755), (405, 525751), (843, 252585), (1405, 151551), (1871, 113805), (2529, 84195), (4215, 50517), (5613, 37935), (7587, 28065), (9355, 22761), (12645, 16839)]