401804913

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1\times {\mathrm{643}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 567281568

約数和(自身を除く): 165476655

約数列:

[1, 3, 19, 57, 361, 577, 643, 1083, 1731, 1929, 10963, 12217, 32889, 36651, 208297, 232123, 371011, 624891, 696369, 1113033, 7049209, 21147627, 133934971, 401804913]

約数ペア:

[(1, 401804913), (3, 133934971), (19, 21147627), (57, 7049209), (361, 1113033), (577, 696369), (643, 624891), (1083, 371011), (1731, 232123), (1929, 208297), (10963, 36651), (12217, 32889)]