71278479

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 104984880

約数和(自身を除く): 33706401

約数列:

[1, 3, 9, 109, 113, 327, 339, 643, 981, 1017, 1929, 5787, 12317, 36951, 70087, 72659, 110853, 210261, 217977, 630783, 653931, 7919831, 23759493, 71278479]

約数ペア:

[(1, 71278479), (3, 23759493), (9, 7919831), (109, 653931), (113, 630783), (327, 217977), (339, 210261), (643, 110853), (981, 72659), (1017, 70087), (1929, 36951), (5787, 12317)]