8142351

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 12976128

約数和(自身を除く): 4833777

約数列:

[1, 3, 7, 21, 43, 71, 127, 129, 213, 301, 381, 497, 889, 903, 1491, 2667, 3053, 5461, 9017, 9159, 16383, 21371, 27051, 38227, 63119, 64113, 114681, 189357, 387731, 1163193, 2714117, 8142351]

約数ペア:

[(1, 8142351), (3, 2714117), (7, 1163193), (21, 387731), (43, 189357), (71, 114681), (127, 64113), (129, 63119), (213, 38227), (301, 27051), (381, 21371), (497, 16383), (889, 9159), (903, 9017), (1491, 5461), (2667, 3053)]