51090081

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 81715200

約数和(自身を除く): 30625119

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1399, 1739, 4197, 5217, 9793, 12173, 29379, 36519, 51763, 65753, 155289, 197259, 362341, 460271, 1087023, 1380813, 2432861, 7298583, 17030027, 51090081]

約数ペア:

[(1, 51090081), (3, 17030027), (7, 7298583), (21, 2432861), (37, 1380813), (47, 1087023), (111, 460271), (141, 362341), (259, 197259), (329, 155289), (777, 65753), (987, 51763), (1399, 36519), (1739, 29379), (4197, 12173), (5217, 9793)]