13390041

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 22082560

約数和(自身を除く): 8692519

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 907, 2109, 2721, 4921, 6349, 14763, 17233, 19047, 33559, 51699, 100677, 120631, 234913, 361893, 637621, 704739, 1912863, 4463347, 13390041]

約数ペア:

[(1, 13390041), (3, 4463347), (7, 1912863), (19, 704739), (21, 637621), (37, 361893), (57, 234913), (111, 120631), (133, 100677), (259, 51699), (399, 33559), (703, 19047), (777, 17233), (907, 14763), (2109, 6349), (2721, 4921)]