1218679

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 32

約数和(自身を含む): 1728000

約数和(自身を除く): 509321

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 187, 209, 323, 343, 539, 833, 931, 1309, 1463, 2261, 3553, 3773, 5831, 6517, 9163, 10241, 15827, 24871, 64141, 71687, 110789, 174097, 1218679]

約数ペア:

[(1, 1218679), (7, 174097), (11, 110789), (17, 71687), (19, 64141), (49, 24871), (77, 15827), (119, 10241), (133, 9163), (187, 6517), (209, 5831), (323, 3773), (343, 3553), (539, 2261), (833, 1463), (931, 1309)]