20271303

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 35266560

約数和(自身を除く): 14995257

約数列:

[1, 3, 9, 13, 23, 27, 31, 39, 69, 81, 93, 117, 207, 243, 279, 299, 351, 403, 621, 713, 729, 837, 897, 1053, 1209, 1863, 2139, 2187, 2511, 2691, 3159, 3627, 5589, 6417, 7533, 8073, 9269, 9477, 10881, 16767, 19251, 22599, 24219, 27807, 28431, 32643, 50301, 57753, 67797, 72657, 83421, 97929, 173259, 217971, 250263, 293787, 519777, 653913, 750789, 881361, 1559331, 2252367, 6757101, 20271303]

約数ペア:

[(1, 20271303), (3, 6757101), (9, 2252367), (13, 1559331), (23, 881361), (27, 750789), (31, 653913), (39, 519777), (69, 293787), (81, 250263), (93, 217971), (117, 173259), (207, 97929), (243, 83421), (279, 72657), (299, 67797), (351, 57753), (403, 50301), (621, 32643), (713, 28431), (729, 27807), (837, 24219), (897, 22599), (1053, 19251), (1209, 16767), (1863, 10881), (2139, 9477), (2187, 9269), (2511, 8073), (2691, 7533), (3159, 6417), (3627, 5589)]