27540585

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 49520640

約数和(自身を除く): 21980055

約数列:

[1, 3, 5, 9, 15, 45, 61, 79, 127, 183, 237, 305, 381, 395, 549, 635, 711, 915, 1143, 1185, 1905, 2745, 3555, 4819, 5715, 7747, 10033, 14457, 23241, 24095, 30099, 38735, 43371, 50165, 69723, 72285, 90297, 116205, 150495, 216855, 348615, 451485, 612013, 1836039, 3060065, 5508117, 9180195, 27540585]

約数ペア:

[(1, 27540585), (3, 9180195), (5, 5508117), (9, 3060065), (15, 1836039), (45, 612013), (61, 451485), (79, 348615), (127, 216855), (183, 150495), (237, 116205), (305, 90297), (381, 72285), (395, 69723), (549, 50165), (635, 43371), (711, 38735), (915, 30099), (1143, 24095), (1185, 23241), (1905, 14457), (2745, 10033), (3555, 7747), (4819, 5715)]