1261566

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 24

約数和(自身を含む): 2762760

約数和(自身を除く): 1501194

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 643, 654, 981, 1286, 1929, 1962, 3858, 5787, 11574, 70087, 140174, 210261, 420522, 630783, 1261566]

約数ペア:

[(1, 1261566), (2, 630783), (3, 420522), (6, 210261), (9, 140174), (18, 70087), (109, 11574), (218, 5787), (327, 3858), (643, 1962), (654, 1929), (981, 1286)]