1489786587

素因数分解:

$3^9\times {\mathrm{75689}}^1$

素因数の和:75716

約数の個数: 20

約数和(自身を含む): 2234671560

約数和(自身を除く): 744884973

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 75689, 227067, 681201, 2043603, 6130809, 18392427, 55177281, 165531843, 496595529, 1489786587]

約数ペア:

[(1, 1489786587), (3, 496595529), (9, 165531843), (27, 55177281), (81, 18392427), (243, 6130809), (729, 2043603), (2187, 681201), (6561, 227067), (19683, 75689)]