222775209

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 350438400

約数和(自身を除く): 127663191

約数列:

[1, 3, 9, 19, 57, 59, 71, 171, 177, 213, 311, 531, 639, 933, 1121, 1349, 2799, 3363, 4047, 4189, 5909, 10089, 12141, 12567, 17727, 18349, 22081, 37701, 53181, 55047, 66243, 79591, 165141, 198729, 238773, 348631, 419539, 716319, 1045893, 1258617, 1302779, 3137679, 3775851, 3908337, 11725011, 24752801, 74258403, 222775209]

約数ペア:

[(1, 222775209), (3, 74258403), (9, 24752801), (19, 11725011), (57, 3908337), (59, 3775851), (71, 3137679), (171, 1302779), (177, 1258617), (213, 1045893), (311, 716319), (531, 419539), (639, 348631), (933, 238773), (1121, 198729), (1349, 165141), (2799, 79591), (3363, 66243), (4047, 55047), (4189, 53181), (5909, 37701), (10089, 22081), (12141, 18349), (12567, 17727)]