18081285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 31770816

約数和(自身を除く): 13689531

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 97, 129, 215, 255, 289, 291, 485, 645, 731, 867, 1445, 1455, 1649, 2193, 3655, 4171, 4335, 4947, 8245, 10965, 12427, 12513, 20855, 24735, 28033, 37281, 62135, 62565, 70907, 84099, 140165, 186405, 212721, 354535, 420495, 1063605, 1205419, 3616257, 6027095, 18081285]

約数ペア:

[(1, 18081285), (3, 6027095), (5, 3616257), (15, 1205419), (17, 1063605), (43, 420495), (51, 354535), (85, 212721), (97, 186405), (129, 140165), (215, 84099), (255, 70907), (289, 62565), (291, 62135), (485, 37281), (645, 28033), (731, 24735), (867, 20855), (1445, 12513), (1455, 12427), (1649, 10965), (2193, 8245), (3655, 4947), (4171, 4335)]