17236821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 27721728

約数和(自身を除く): 10484907

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 281, 381, 483, 843, 889, 1967, 2667, 2921, 5901, 6463, 8763, 19389, 20447, 35687, 45241, 61341, 107061, 135723, 249809, 749427, 820801, 2462403, 5745607, 17236821]

約数ペア:

[(1, 17236821), (3, 5745607), (7, 2462403), (21, 820801), (23, 749427), (69, 249809), (127, 135723), (161, 107061), (281, 61341), (381, 45241), (483, 35687), (843, 20447), (889, 19389), (1967, 8763), (2667, 6463), (2921, 5901)]