221738571

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 324280320

約数和(自身を除く): 102541749

約数列:

[1, 3, 9, 127, 381, 419, 463, 1143, 1257, 1389, 3771, 4167, 53213, 58801, 159639, 176403, 193997, 478917, 529209, 581991, 1745973, 24637619, 73912857, 221738571]

約数ペア:

[(1, 221738571), (3, 73912857), (9, 24637619), (127, 1745973), (381, 581991), (419, 529209), (463, 478917), (1143, 193997), (1257, 176403), (1389, 159639), (3771, 58801), (4167, 53213)]