15438978

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 36009600

約数和(自身を除く): 20570622

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 61, 86, 109, 122, 129, 183, 218, 258, 327, 366, 387, 549, 654, 774, 981, 1098, 1161, 1647, 1962, 2322, 2623, 2943, 3294, 4687, 5246, 5886, 6649, 7869, 9374, 13298, 14061, 15738, 19947, 23607, 28122, 39894, 42183, 47214, 59841, 70821, 84366, 119682, 126549, 141642, 179523, 253098, 285907, 359046, 571814, 857721, 1715442, 2573163, 5146326, 7719489, 15438978]

約数ペア:

[(1, 15438978), (2, 7719489), (3, 5146326), (6, 2573163), (9, 1715442), (18, 857721), (27, 571814), (43, 359046), (54, 285907), (61, 253098), (86, 179523), (109, 141642), (122, 126549), (129, 119682), (183, 84366), (218, 70821), (258, 59841), (327, 47214), (366, 42183), (387, 39894), (549, 28122), (654, 23607), (774, 19947), (981, 15738), (1098, 14061), (1161, 13298), (1647, 9374), (1962, 7869), (2322, 6649), (2623, 5886), (2943, 5246), (3294, 4687)]