245103651

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 408320640

約数和(自身を除く): 163216989

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 233, 243, 333, 351, 481, 699, 729, 999, 1053, 1443, 2097, 2187, 2997, 3029, 3159, 4329, 6291, 8621, 8991, 9087, 9477, 12987, 18873, 25863, 26973, 27261, 28431, 38961, 56619, 77589, 80919, 81783, 112073, 116883, 169857, 232767, 245349, 336219, 350649, 509571, 698301, 736047, 1008657, 1051947, 2094903, 2208141, 3025971, 6284709, 6624423, 9077913, 18854127, 27233739, 81701217, 245103651]

約数ペア:

[(1, 245103651), (3, 81701217), (9, 27233739), (13, 18854127), (27, 9077913), (37, 6624423), (39, 6284709), (81, 3025971), (111, 2208141), (117, 2094903), (233, 1051947), (243, 1008657), (333, 736047), (351, 698301), (481, 509571), (699, 350649), (729, 336219), (999, 245349), (1053, 232767), (1443, 169857), (2097, 116883), (2187, 112073), (2997, 81783), (3029, 80919), (3159, 77589), (4329, 56619), (6291, 38961), (8621, 28431), (8991, 27261), (9087, 26973), (9477, 25863), (12987, 18873)]