217915617

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{30103}}^1$

素因数の和:30252

約数の個数: 16

約数和(自身を含む): 308264960

約数和(自身を除く): 90349343

約数列:

[1, 3, 19, 57, 127, 381, 2413, 7239, 30103, 90309, 571957, 1715871, 3823081, 11469243, 72638539, 217915617]

約数ペア:

[(1, 217915617), (3, 72638539), (19, 11469243), (57, 3823081), (127, 1715871), (381, 571957), (2413, 90309), (7239, 30103)]