215330269

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{6871}}^1$

素因数の和:6937

約数の個数: 24

約数和(自身を含む): 277848704

約数和(自身を除く): 62518435

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 6871, 31339, 48097, 75581, 254227, 529067, 831391, 1779589, 2796497, 5819737, 19575479, 30761467, 215330269]

約数ペア:

[(1, 215330269), (7, 30761467), (11, 19575479), (37, 5819737), (77, 2796497), (121, 1779589), (259, 831391), (407, 529067), (847, 254227), (2849, 75581), (4477, 48097), (6871, 31339)]