816615

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 1520640

約数和(自身を除く): 704025

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 263, 345, 621, 789, 1035, 1315, 2367, 3105, 3945, 6049, 7101, 11835, 18147, 30245, 35505, 54441, 90735, 163323, 272205, 816615]

約数ペア:

[(1, 816615), (3, 272205), (5, 163323), (9, 90735), (15, 54441), (23, 35505), (27, 30245), (45, 18147), (69, 11835), (115, 7101), (135, 6049), (207, 3945), (263, 3105), (345, 2367), (621, 1315), (789, 1035)]