27775215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 52590720

約数和(自身を除く): 24815505

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 395, 585, 601, 711, 1027, 1185, 1803, 3005, 3081, 3555, 5135, 5409, 7813, 9015, 9243, 15405, 23439, 27045, 39065, 46215, 47479, 70317, 117195, 142437, 237395, 351585, 427311, 617227, 712185, 1851681, 2136555, 3086135, 5555043, 9258405, 27775215]

約数ペア:

[(1, 27775215), (3, 9258405), (5, 5555043), (9, 3086135), (13, 2136555), (15, 1851681), (39, 712185), (45, 617227), (65, 427311), (79, 351585), (117, 237395), (195, 142437), (237, 117195), (395, 70317), (585, 47479), (601, 46215), (711, 39065), (1027, 27045), (1185, 23439), (1803, 15405), (3005, 9243), (3081, 9015), (3555, 7813), (5135, 5409)]