16910481

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 26887168

約数和(自身を除く): 9976687

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 307, 427, 903, 921, 1281, 2149, 2623, 6447, 7869, 13201, 18361, 18727, 39603, 55083, 56181, 92407, 131089, 277221, 393267, 805261, 2415783, 5636827, 16910481]

約数ペア:

[(1, 16910481), (3, 5636827), (7, 2415783), (21, 805261), (43, 393267), (61, 277221), (129, 131089), (183, 92407), (301, 56181), (307, 55083), (427, 39603), (903, 18727), (921, 18361), (1281, 13201), (2149, 7869), (2623, 6447)]