387290421

素因数分解:

$3^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{4363}}^1$

素因数の和:5785

約数の個数: 24

約数和(自身を含む): 639936960

約数和(自身を除く): 252646539

約数列:

[1, 3, 7, 9, 21, 63, 1409, 4227, 4363, 9863, 12681, 13089, 29589, 30541, 39267, 88767, 91623, 274869, 6147467, 18442401, 43032269, 55327203, 129096807, 387290421]

約数ペア:

[(1, 387290421), (3, 129096807), (7, 55327203), (9, 43032269), (21, 18442401), (63, 6147467), (1409, 274869), (4227, 91623), (4363, 88767), (9863, 39267), (12681, 30541), (13089, 29589)]