38647215

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20947}}^1$

素因数の和:20999

約数の個数: 24

約数和(自身を含む): 68625648

約数和(自身を除く): 29978433

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 20947, 62841, 104735, 188523, 314205, 858827, 942615, 2576481, 4294135, 7729443, 12882405, 38647215]

約数ペア:

[(1, 38647215), (3, 12882405), (5, 7729443), (9, 4294135), (15, 2576481), (41, 942615), (45, 858827), (123, 314205), (205, 188523), (369, 104735), (615, 62841), (1845, 20947)]