9987103

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 12221440

約数和(自身を除く): 2234337

約数列:

[1, 7, 19, 61, 133, 427, 1159, 1231, 8113, 8617, 23389, 75091, 163723, 525637, 1426729, 9987103]

約数ペア:

[(1, 9987103), (7, 1426729), (19, 525637), (61, 163723), (133, 75091), (427, 23389), (1159, 8617), (1231, 8113)]