831519

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 1397760

約数和(自身を除く): 566241

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 103, 117, 207, 299, 309, 351, 621, 897, 927, 1339, 2369, 2691, 2781, 4017, 7107, 8073, 12051, 21321, 30797, 36153, 63963, 92391, 277173, 831519]

約数ペア:

[(1, 831519), (3, 277173), (9, 92391), (13, 63963), (23, 36153), (27, 30797), (39, 21321), (69, 12051), (103, 8073), (117, 7107), (207, 4017), (299, 2781), (309, 2691), (351, 2369), (621, 1339), (897, 927)]