27888975

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 51980800

約数和(自身を除く): 24091825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 225, 237, 395, 523, 675, 711, 1185, 1569, 1975, 2133, 2615, 3555, 4707, 5925, 7845, 10665, 13075, 14121, 17775, 23535, 39225, 41317, 53325, 70605, 117675, 123951, 206585, 353025, 371853, 619755, 1032925, 1115559, 1859265, 3098775, 5577795, 9296325, 27888975]

約数ペア:

[(1, 27888975), (3, 9296325), (5, 5577795), (9, 3098775), (15, 1859265), (25, 1115559), (27, 1032925), (45, 619755), (75, 371853), (79, 353025), (135, 206585), (225, 123951), (237, 117675), (395, 70605), (523, 53325), (675, 41317), (711, 39225), (1185, 23535), (1569, 17775), (1975, 14121), (2133, 13075), (2615, 10665), (3555, 7845), (4707, 5925)]