720304869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{147031}}^1$

素因数の和:147128

約数の個数: 16

約数和(自身を含む): 1016285184

約数和(自身を除く): 295980315

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 147031, 441093, 3381713, 10145139, 10439201, 31317603, 240101623, 720304869]

約数ペア:

[(1, 720304869), (3, 240101623), (23, 31317603), (69, 10439201), (71, 10145139), (213, 3381713), (1633, 441093), (4899, 147031)]