72789871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1787}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 94921344

約数和(自身を除く): 22131473

約数列:

[1, 7, 11, 23, 77, 161, 253, 529, 1771, 1787, 3703, 5819, 12509, 19657, 40733, 41101, 137599, 287707, 452111, 945323, 3164777, 6617261, 10398553, 72789871]

約数ペア:

[(1, 72789871), (7, 10398553), (11, 6617261), (23, 3164777), (77, 945323), (161, 452111), (253, 287707), (529, 137599), (1771, 41101), (1787, 40733), (3703, 19657), (5819, 12509)]