2217969

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 3628800

約数和(自身を除く): 1410831

約数列:

[1, 3, 9, 13, 27, 39, 71, 89, 117, 213, 267, 351, 639, 801, 923, 1157, 1917, 2403, 2769, 3471, 6319, 8307, 10413, 18957, 24921, 31239, 56871, 82147, 170613, 246441, 739323, 2217969]

約数ペア:

[(1, 2217969), (3, 739323), (9, 246441), (13, 170613), (27, 82147), (39, 56871), (71, 31239), (89, 24921), (117, 18957), (213, 10413), (267, 8307), (351, 6319), (639, 3471), (801, 2769), (923, 2403), (1157, 1917)]