72017217

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 107984448

約数和(自身を除く): 35967231

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 2621, 3053, 7863, 9159, 23589, 27477, 112703, 186091, 338109, 558273, 1014327, 1674819, 8001913, 24005739, 72017217]

約数ペア:

[(1, 72017217), (3, 24005739), (9, 8001913), (43, 1674819), (71, 1014327), (129, 558273), (213, 338109), (387, 186091), (639, 112703), (2621, 27477), (3053, 23589), (7863, 9159)]