128752779

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{13831}}^1$

素因数の和:13970

約数の個数: 16

約数和(自身を含む): 179262720

約数和(自身を除く): 50509941

約数列:

[1, 3, 29, 87, 107, 321, 3103, 9309, 13831, 41493, 401099, 1203297, 1479917, 4439751, 42917593, 128752779]

約数ペア:

[(1, 128752779), (3, 42917593), (29, 4439751), (87, 1479917), (107, 1203297), (321, 401099), (3103, 41493), (9309, 13831)]