71865999

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{420269}}^1$

素因数の和:420294

約数の個数: 12

約数和(自身を含む): 109270200

約数和(自身を除く): 37404201

約数列:

[1, 3, 9, 19, 57, 171, 420269, 1260807, 3782421, 7985111, 23955333, 71865999]

約数ペア:

[(1, 71865999), (3, 23955333), (9, 7985111), (19, 3782421), (57, 1260807), (171, 420269)]