203478219

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{189989}}^1$

素因数の和:190019

約数の個数: 24

約数和(自身を含む): 355661280

約数和(自身を除く): 152183061

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 189989, 569967, 1329923, 1709901, 3229813, 3989769, 9689439, 11969307, 22608691, 29068317, 67826073, 203478219]

約数ペア:

[(1, 203478219), (3, 67826073), (7, 29068317), (9, 22608691), (17, 11969307), (21, 9689439), (51, 3989769), (63, 3229813), (119, 1709901), (153, 1329923), (357, 569967), (1071, 189989)]