647334513

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2879}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 1107025920

約数和(自身を除く): 459691407

約数列:

[1, 3, 7, 9, 21, 43, 63, 83, 129, 249, 301, 387, 581, 747, 903, 1743, 2709, 2879, 3569, 5229, 8637, 10707, 20153, 24983, 25911, 32121, 60459, 74949, 123797, 181377, 224847, 238957, 371391, 716871, 866579, 1114173, 1672699, 2150613, 2599737, 5018097, 7799211, 10275151, 15054291, 30825453, 71926057, 92476359, 215778171, 647334513]

約数ペア:

[(1, 647334513), (3, 215778171), (7, 92476359), (9, 71926057), (21, 30825453), (43, 15054291), (63, 10275151), (83, 7799211), (129, 5018097), (249, 2599737), (301, 2150613), (387, 1672699), (581, 1114173), (747, 866579), (903, 716871), (1743, 371391), (2709, 238957), (2879, 224847), (3569, 181377), (5229, 123797), (8637, 74949), (10707, 60459), (20153, 32121), (24983, 25911)]