8447385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 14470272

約数和(自身を除く): 6022887

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 211, 255, 471, 633, 785, 1055, 2355, 2669, 3165, 3587, 8007, 10761, 13345, 17935, 33127, 40035, 53805, 99381, 165635, 496905, 563159, 1689477, 2815795, 8447385]

約数ペア:

[(1, 8447385), (3, 2815795), (5, 1689477), (15, 563159), (17, 496905), (51, 165635), (85, 99381), (157, 53805), (211, 40035), (255, 33127), (471, 17935), (633, 13345), (785, 10761), (1055, 8007), (2355, 3587), (2669, 3165)]