87156363

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218437}}^1$

素因数の和:218466

約数の個数: 16

約数和(自身を含む): 139800320

約数和(自身を除く): 52643957

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 218437, 655311, 1529059, 4150303, 4587177, 12450909, 29052121, 87156363]

約数ペア:

[(1, 87156363), (3, 29052121), (7, 12450909), (19, 4587177), (21, 4150303), (57, 1529059), (133, 655311), (399, 218437)]