1920907845

素因数分解:

$3^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{22129}}^1$

素因数の和:22786

約数の個数: 32

約数和(自身を含む): 3420412800

約数和(自身を除く): 1499504955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 643, 1929, 3215, 5787, 9645, 17361, 22129, 28935, 66387, 86805, 110645, 199161, 331935, 597483, 995805, 2987415, 14228947, 42686841, 71144735, 128060523, 213434205, 384181569, 640302615, 1920907845]

約数ペア:

[(1, 1920907845), (3, 640302615), (5, 384181569), (9, 213434205), (15, 128060523), (27, 71144735), (45, 42686841), (135, 14228947), (643, 2987415), (1929, 995805), (3215, 597483), (5787, 331935), (9645, 199161), (17361, 110645), (22129, 86805), (28935, 66387)]