16767621

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 29245440

約数和(自身を除く): 12477819

約数列:

[1, 3, 9, 13, 23, 27, 31, 39, 67, 69, 93, 117, 201, 207, 279, 299, 351, 403, 603, 621, 713, 837, 871, 897, 1209, 1541, 1809, 2077, 2139, 2613, 2691, 3627, 4623, 6231, 6417, 7839, 8073, 9269, 10881, 13869, 18693, 19251, 20033, 23517, 27001, 27807, 41607, 47771, 56079, 60099, 81003, 83421, 143313, 180297, 243009, 250263, 429939, 540891, 621023, 729027, 1289817, 1863069, 5589207, 16767621]

約数ペア:

[(1, 16767621), (3, 5589207), (9, 1863069), (13, 1289817), (23, 729027), (27, 621023), (31, 540891), (39, 429939), (67, 250263), (69, 243009), (93, 180297), (117, 143313), (201, 83421), (207, 81003), (279, 60099), (299, 56079), (351, 47771), (403, 41607), (603, 27807), (621, 27001), (713, 23517), (837, 20033), (871, 19251), (897, 18693), (1209, 13869), (1541, 10881), (1809, 9269), (2077, 8073), (2139, 7839), (2613, 6417), (2691, 6231), (3627, 4623)]