13638903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 20428800

約数和(自身を除く): 6789897

約数列:

[1, 3, 19, 29, 37, 57, 87, 111, 223, 551, 669, 703, 1073, 1653, 2109, 3219, 4237, 6467, 8251, 12711, 19401, 20387, 24753, 61161, 122873, 156769, 239279, 368619, 470307, 717837, 4546301, 13638903]

約数ペア:

[(1, 13638903), (3, 4546301), (19, 717837), (29, 470307), (37, 368619), (57, 239279), (87, 156769), (111, 122873), (223, 61161), (551, 24753), (669, 20387), (703, 19401), (1073, 12711), (1653, 8251), (2109, 6467), (3219, 4237)]