64472187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 98219520

約数和(自身を除く): 33747333

約数列:

[1, 3, 13, 19, 39, 57, 167, 247, 501, 521, 741, 1563, 2171, 3173, 6513, 6773, 9519, 9899, 20319, 29697, 41249, 87007, 123747, 128687, 261021, 386061, 1131091, 1653133, 3393273, 4959399, 21490729, 64472187]

約数ペア:

[(1, 64472187), (3, 21490729), (13, 4959399), (19, 3393273), (39, 1653133), (57, 1131091), (167, 386061), (247, 261021), (501, 128687), (521, 123747), (741, 87007), (1563, 41249), (2171, 29697), (3173, 20319), (6513, 9899), (6773, 9519)]