2820105

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 5059080

約数和(自身を除く): 2238975

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 2161, 6483, 10805, 19449, 32415, 62669, 97245, 188007, 313345, 564021, 940035, 2820105]

約数ペア:

[(1, 2820105), (3, 940035), (5, 564021), (9, 313345), (15, 188007), (29, 97245), (45, 62669), (87, 32415), (145, 19449), (261, 10805), (435, 6483), (1305, 2161)]