1325007

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 2062944

約数和(自身を除く): 737937

約数列:

[1, 3, 9, 23, 37, 69, 111, 173, 207, 333, 519, 851, 1557, 2553, 3979, 6401, 7659, 11937, 19203, 35811, 57609, 147223, 441669, 1325007]

約数ペア:

[(1, 1325007), (3, 441669), (9, 147223), (23, 57609), (37, 35811), (69, 19203), (111, 11937), (173, 7659), (207, 6401), (333, 3979), (519, 2553), (851, 1557)]