287751447

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1033}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 455414960

約数和(自身を除く): 167663513

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 181, 513, 543, 1033, 1539, 1629, 3099, 3439, 4887, 9297, 10317, 14661, 19627, 27891, 30951, 58881, 83673, 92853, 176643, 186973, 278559, 529929, 560919, 1589787, 1682757, 3552487, 5048271, 10657461, 15144813, 31972383, 95917149, 287751447]

約数ペア:

[(1, 287751447), (3, 95917149), (9, 31972383), (19, 15144813), (27, 10657461), (57, 5048271), (81, 3552487), (171, 1682757), (181, 1589787), (513, 560919), (543, 529929), (1033, 278559), (1539, 186973), (1629, 176643), (3099, 92853), (3439, 83673), (4887, 58881), (9297, 30951), (10317, 27891), (14661, 19627)]