72438531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 37047549

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 473, 719, 781, 1419, 2157, 2343, 3053, 7909, 9159, 23727, 30917, 33583, 51049, 92751, 100749, 153147, 340087, 561539, 1020261, 1684617, 2195107, 6585321, 24146177, 72438531]

約数ペア:

[(1, 72438531), (3, 24146177), (11, 6585321), (33, 2195107), (43, 1684617), (71, 1020261), (129, 561539), (213, 340087), (473, 153147), (719, 100749), (781, 92751), (1419, 51049), (2157, 33583), (2343, 30917), (3053, 23727), (7909, 9159)]