12912945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 22187520

約数和(自身を除く): 9274575

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 641, 1185, 1343, 1923, 3205, 4029, 6715, 9615, 10897, 20145, 32691, 50639, 54485, 151917, 163455, 253195, 759585, 860863, 2582589, 4304315, 12912945]

約数ペア:

[(1, 12912945), (3, 4304315), (5, 2582589), (15, 860863), (17, 759585), (51, 253195), (79, 163455), (85, 151917), (237, 54485), (255, 50639), (395, 32691), (641, 20145), (1185, 10897), (1343, 9615), (1923, 6715), (3205, 4029)]