2801331

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 4677120

約数和(自身を除く): 1875789

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 347, 351, 621, 897, 1041, 2691, 3123, 4511, 7981, 8073, 9369, 13533, 23943, 40599, 71829, 103753, 121797, 215487, 311259, 933777, 2801331]

約数ペア:

[(1, 2801331), (3, 933777), (9, 311259), (13, 215487), (23, 121797), (27, 103753), (39, 71829), (69, 40599), (117, 23943), (207, 13533), (299, 9369), (347, 8073), (351, 7981), (621, 4511), (897, 3123), (1041, 2691)]