15940659

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 25231360

約数和(自身を除く): 9290701

約数列:

[1, 3, 7, 21, 43, 127, 129, 139, 301, 381, 417, 889, 903, 973, 2667, 2919, 5461, 5977, 16383, 17653, 17931, 38227, 41839, 52959, 114681, 123571, 125517, 370713, 759079, 2277237, 5313553, 15940659]

約数ペア:

[(1, 15940659), (3, 5313553), (7, 2277237), (21, 759079), (43, 370713), (127, 125517), (129, 123571), (139, 114681), (301, 52959), (381, 41839), (417, 38227), (889, 17931), (903, 17653), (973, 16383), (2667, 5977), (2919, 5461)]