1640228355

素因数分解:

$3^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{23531}}^1$

素因数の和:25091

約数の個数: 24

約数和(自身を含む): 2845018800

約数和(自身を除く): 1204790445

約数列:

[1, 3, 5, 9, 15, 45, 1549, 4647, 7745, 13941, 23235, 23531, 69705, 70593, 117655, 211779, 352965, 1058895, 36449519, 109348557, 182247595, 328045671, 546742785, 1640228355]

約数ペア:

[(1, 1640228355), (3, 546742785), (5, 328045671), (9, 182247595), (15, 109348557), (45, 36449519), (1549, 1058895), (4647, 352965), (7745, 211779), (13941, 117655), (23235, 70593), (23531, 69705)]