11880981

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 36

約数和(自身を含む): 20673900

約数和(自身を除く): 8792919

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 929, 1421, 1827, 2787, 4263, 6503, 8361, 12789, 19509, 26941, 45521, 58527, 80823, 136563, 188587, 242469, 409689, 565761, 1320109, 1697283, 3960327, 11880981]

約数ペア:

[(1, 11880981), (3, 3960327), (7, 1697283), (9, 1320109), (21, 565761), (29, 409689), (49, 242469), (63, 188587), (87, 136563), (147, 80823), (203, 58527), (261, 45521), (441, 26941), (609, 19509), (929, 12789), (1421, 8361), (1827, 6503), (2787, 4263)]