678249957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{55399}}^1$

素因数の和:55473

約数の個数: 32

約数和(自身を含む): 1148774400

約数和(自身を除く): 470524443

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243, 55399, 166197, 387793, 609389, 1163379, 1828167, 2936147, 4265723, 8808441, 12797169, 20553029, 32297617, 61659087, 96892851, 226083319, 678249957]

約数ペア:

[(1, 678249957), (3, 226083319), (7, 96892851), (11, 61659087), (21, 32297617), (33, 20553029), (53, 12797169), (77, 8808441), (159, 4265723), (231, 2936147), (371, 1828167), (583, 1163379), (1113, 609389), (1749, 387793), (4081, 166197), (12243, 55399)]