661810401

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{29759}}^1$

素因数の和:30125

約数の個数: 24

約数和(自身を含む): 1095644160

約数和(自身を除く): 433833759

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 7413, 22239, 29759, 89277, 208313, 267831, 624939, 1874817, 10504927, 31514781, 73534489, 94544343, 220603467, 661810401]

約数ペア:

[(1, 661810401), (3, 220603467), (7, 94544343), (9, 73534489), (21, 31514781), (63, 10504927), (353, 1874817), (1059, 624939), (2471, 267831), (3177, 208313), (7413, 89277), (22239, 29759)]