217322559

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1373}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 322230480

約数和(自身を除く): 104907921

約数列:

[1, 3, 9, 43, 129, 387, 409, 1227, 1373, 3681, 4119, 12357, 17587, 52761, 59039, 158283, 177117, 531351, 561557, 1684671, 5054013, 24146951, 72440853, 217322559]

約数ペア:

[(1, 217322559), (3, 72440853), (9, 24146951), (43, 5054013), (129, 1684671), (387, 561557), (409, 531351), (1227, 177117), (1373, 158283), (3681, 59039), (4119, 52761), (12357, 17587)]