2197395

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 4011840

約数和(自身を除く): 1814445

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 397, 615, 1107, 1191, 1845, 1985, 3573, 5535, 5955, 10719, 16277, 17865, 48831, 53595, 81385, 146493, 244155, 439479, 732465, 2197395]

約数ペア:

[(1, 2197395), (3, 732465), (5, 439479), (9, 244155), (15, 146493), (27, 81385), (41, 53595), (45, 48831), (123, 17865), (135, 16277), (205, 10719), (369, 5955), (397, 5535), (615, 3573), (1107, 1985), (1191, 1845)]