207290421

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 350461440

約数和(自身を除く): 143171019

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 243, 299, 317, 351, 621, 729, 897, 951, 1053, 1863, 2187, 2691, 2853, 3159, 4121, 5589, 7291, 8073, 8559, 9477, 12363, 16767, 21873, 24219, 25677, 28431, 37089, 50301, 65619, 72657, 77031, 94783, 111267, 196857, 217971, 231093, 284349, 333801, 590571, 653913, 693279, 853047, 1001403, 1771713, 2559141, 3004209, 5315139, 7677423, 9012627, 15945417, 23032269, 69096807, 207290421]

約数ペア:

[(1, 207290421), (3, 69096807), (9, 23032269), (13, 15945417), (23, 9012627), (27, 7677423), (39, 5315139), (69, 3004209), (81, 2559141), (117, 1771713), (207, 1001403), (243, 853047), (299, 693279), (317, 653913), (351, 590571), (621, 333801), (729, 284349), (897, 231093), (951, 217971), (1053, 196857), (1863, 111267), (2187, 94783), (2691, 77031), (2853, 72657), (3159, 65619), (4121, 50301), (5589, 37089), (7291, 28431), (8073, 25677), (8559, 24219), (9477, 21873), (12363, 16767)]