321736155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1321}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 555240000

約数和(自身を除く): 233503845

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1249, 1321, 3747, 3963, 6245, 6605, 16237, 17173, 18735, 19815, 48711, 51519, 81185, 85865, 243555, 257595, 1649929, 4949787, 8249645, 21449077, 24748935, 64347231, 107245385, 321736155]

約数ペア:

[(1, 321736155), (3, 107245385), (5, 64347231), (13, 24748935), (15, 21449077), (39, 8249645), (65, 4949787), (195, 1649929), (1249, 257595), (1321, 243555), (3747, 85865), (3963, 81185), (6245, 51519), (6605, 48711), (16237, 19815), (17173, 18735)]