1953441

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 3267264

約数和(自身を除く): 1313823

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 307, 707, 909, 921, 2121, 2149, 2763, 6363, 6447, 19341, 31007, 93021, 217049, 279063, 651147, 1953441]

約数ペア:

[(1, 1953441), (3, 651147), (7, 279063), (9, 217049), (21, 93021), (63, 31007), (101, 19341), (303, 6447), (307, 6363), (707, 2763), (909, 2149), (921, 2121)]