2440305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 4952064

約数和(自身を除く): 2511759

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 127, 183, 305, 315, 381, 427, 549, 635, 889, 915, 1143, 1281, 1905, 2135, 2667, 2745, 3843, 4445, 5715, 6405, 7747, 8001, 13335, 19215, 23241, 38735, 40005, 54229, 69723, 116205, 162687, 271145, 348615, 488061, 813435, 2440305]

約数ペア:

[(1, 2440305), (3, 813435), (5, 488061), (7, 348615), (9, 271145), (15, 162687), (21, 116205), (35, 69723), (45, 54229), (61, 40005), (63, 38735), (105, 23241), (127, 19215), (183, 13335), (305, 8001), (315, 7747), (381, 6405), (427, 5715), (549, 4445), (635, 3843), (889, 2745), (915, 2667), (1143, 2135), (1281, 1905)]