51147369

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 94778880

約数和(自身を除く): 43631511

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 257, 273, 351, 567, 729, 771, 819, 1053, 1701, 1799, 2187, 2313, 2457, 3159, 3341, 5103, 5397, 6939, 7371, 9477, 10023, 15309, 16191, 20817, 22113, 23387, 28431, 30069, 48573, 62451, 66339, 70161, 90207, 145719, 187353, 199017, 210483, 270621, 437157, 562059, 631449, 811863, 1311471, 1894347, 2435589, 3934413, 5683041, 7306767, 17049123, 51147369]

約数ペア:

[(1, 51147369), (3, 17049123), (7, 7306767), (9, 5683041), (13, 3934413), (21, 2435589), (27, 1894347), (39, 1311471), (63, 811863), (81, 631449), (91, 562059), (117, 437157), (189, 270621), (243, 210483), (257, 199017), (273, 187353), (351, 145719), (567, 90207), (729, 70161), (771, 66339), (819, 62451), (1053, 48573), (1701, 30069), (1799, 28431), (2187, 23387), (2313, 22113), (2457, 20817), (3159, 16191), (3341, 15309), (5103, 10023), (5397, 9477), (6939, 7371)]