40518045

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21961}}^1$

素因数の和:22013

約数の個数: 24

約数和(自身を含む): 71947512

約数和(自身を除く): 31429467

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 21961, 65883, 109805, 197649, 329415, 900401, 988245, 2701203, 4502005, 8103609, 13506015, 40518045]

約数ペア:

[(1, 40518045), (3, 13506015), (5, 8103609), (9, 4502005), (15, 2701203), (41, 988245), (45, 900401), (123, 329415), (205, 197649), (369, 109805), (615, 65883), (1845, 21961)]