388956321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89849}}^1$

素因数の和:89905

約数の個数: 24

約数和(自身を含む): 621402600

約数和(自身を除く): 232446279

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 89849, 269547, 808641, 1168037, 3324413, 3504111, 9973239, 10512333, 29919717, 43217369, 129652107, 388956321]

約数ペア:

[(1, 388956321), (3, 129652107), (9, 43217369), (13, 29919717), (37, 10512333), (39, 9973239), (111, 3504111), (117, 3324413), (333, 1168037), (481, 808641), (1443, 269547), (4329, 89849)]