678694521

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{10139}}^1$

素因数の和:10616

約数の個数: 16

約数和(自身を含む): 924281280

約数和(自身を除く): 245586759

約数列:

[1, 3, 53, 159, 421, 1263, 10139, 22313, 30417, 66939, 537367, 1612101, 4268519, 12805557, 226231507, 678694521]

約数ペア:

[(1, 678694521), (3, 226231507), (53, 12805557), (159, 4268519), (421, 1612101), (1263, 537367), (10139, 66939), (22313, 30417)]