81075071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 107397120

約数和(自身を除く): 26322049

約数列:

[1, 7, 11, 19, 77, 133, 151, 209, 367, 1057, 1463, 1661, 2569, 2869, 4037, 6973, 11627, 20083, 28259, 31559, 48811, 55417, 76703, 220913, 387919, 536921, 609587, 1052923, 4267109, 7370461, 11582153, 81075071]

約数ペア:

[(1, 81075071), (7, 11582153), (11, 7370461), (19, 4267109), (77, 1052923), (133, 609587), (151, 536921), (209, 387919), (367, 220913), (1057, 76703), (1463, 55417), (1661, 48811), (2569, 31559), (2869, 28259), (4037, 20083), (6973, 11627)]