251662005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3371}}^1$

素因数の和:3471

約数の個数: 64

約数和(自身を含む): 517939200

約数和(自身を除く): 266277195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 189, 237, 315, 395, 553, 711, 945, 1185, 1659, 2133, 2765, 3371, 3555, 4977, 8295, 10113, 10665, 14931, 16855, 23597, 24885, 30339, 50565, 70791, 74655, 91017, 117985, 151695, 212373, 266309, 353955, 455085, 637119, 798927, 1061865, 1331545, 1864163, 2396781, 3185595, 3994635, 5592489, 7190343, 9320815, 11983905, 16777467, 27962445, 35951715, 50332401, 83887335, 251662005]

約数ペア:

[(1, 251662005), (3, 83887335), (5, 50332401), (7, 35951715), (9, 27962445), (15, 16777467), (21, 11983905), (27, 9320815), (35, 7190343), (45, 5592489), (63, 3994635), (79, 3185595), (105, 2396781), (135, 1864163), (189, 1331545), (237, 1061865), (315, 798927), (395, 637119), (553, 455085), (711, 353955), (945, 266309), (1185, 212373), (1659, 151695), (2133, 117985), (2765, 91017), (3371, 74655), (3555, 70791), (4977, 50565), (8295, 30339), (10113, 24885), (10665, 23597), (14931, 16855)]