197415

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 353808

約数和(自身を除く): 156393

約数列:

[1, 3, 5, 9, 15, 41, 45, 107, 123, 205, 321, 369, 535, 615, 963, 1605, 1845, 4387, 4815, 13161, 21935, 39483, 65805, 197415]

約数ペア:

[(1, 197415), (3, 65805), (5, 39483), (9, 21935), (15, 13161), (41, 4815), (45, 4387), (107, 1845), (123, 1605), (205, 963), (321, 615), (369, 535)]