81244989

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{10837}}^1$

素因数の和:10874

約数の個数: 36

約数和(自身を含む): 144557244

約数和(自身を除く): 63312255

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 10837, 32511, 75859, 97533, 184229, 227577, 531013, 552687, 682731, 1289603, 1593039, 1658061, 3868809, 4779117, 9027221, 11606427, 27081663, 81244989]

約数ペア:

[(1, 81244989), (3, 27081663), (7, 11606427), (9, 9027221), (17, 4779117), (21, 3868809), (49, 1658061), (51, 1593039), (63, 1289603), (119, 682731), (147, 552687), (153, 531013), (357, 227577), (441, 184229), (833, 97533), (1071, 75859), (2499, 32511), (7497, 10837)]