1561989

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 2472736

約数和(自身を除く): 910747

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 331, 363, 429, 993, 1573, 3641, 4303, 4719, 10923, 12909, 40051, 47333, 120153, 141999, 520663, 1561989]

約数ペア:

[(1, 1561989), (3, 520663), (11, 141999), (13, 120153), (33, 47333), (39, 40051), (121, 12909), (143, 10923), (331, 4719), (363, 4303), (429, 3641), (993, 1573)]