27839205

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 22480155

約数列:

[1, 3, 5, 9, 15, 41, 45, 79, 123, 191, 205, 237, 369, 395, 573, 615, 711, 955, 1185, 1719, 1845, 2865, 3239, 3555, 7831, 8595, 9717, 15089, 16195, 23493, 29151, 39155, 45267, 48585, 70479, 75445, 117465, 135801, 145755, 226335, 352395, 618649, 679005, 1855947, 3093245, 5567841, 9279735, 27839205]

約数ペア:

[(1, 27839205), (3, 9279735), (5, 5567841), (9, 3093245), (15, 1855947), (41, 679005), (45, 618649), (79, 352395), (123, 226335), (191, 145755), (205, 135801), (237, 117465), (369, 75445), (395, 70479), (573, 48585), (615, 45267), (711, 39155), (955, 29151), (1185, 23493), (1719, 16195), (1845, 15089), (2865, 9717), (3239, 8595), (3555, 7831)]