20071917

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7717}}^1$

素因数の和:7757

約数の個数: 18

約数和(自身を含む): 30802538

約数和(自身を除く): 10730621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7717, 23151, 69453, 131189, 393567, 1180701, 2230213, 6690639, 20071917]

約数ペア:

[(1, 20071917), (3, 6690639), (9, 2230213), (17, 1180701), (51, 393567), (153, 131189), (289, 69453), (867, 23151), (2601, 7717)]