81867511

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{1279}}^1$

素因数の和:1347

約数の個数: 18

約数和(自身を含む): 94142720

約数和(自身を除く): 12275209

約数列:

[1, 11, 23, 121, 253, 529, 1279, 2783, 5819, 14069, 29417, 64009, 154759, 323587, 676591, 3559457, 7442501, 81867511]

約数ペア:

[(1, 81867511), (11, 7442501), (23, 3559457), (121, 676591), (253, 323587), (529, 154759), (1279, 64009), (2783, 29417), (5819, 14069)]