221703579

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{1723}}^1$

素因数の和:1804

約数の個数: 36

約数和(自身を含む): 351375336

約数和(自身を除く): 129671757

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 841, 1479, 1723, 2523, 4437, 5169, 7569, 14297, 15507, 29291, 42891, 49967, 87873, 128673, 149901, 263619, 449703, 849439, 1449043, 2548317, 4347129, 7644951, 13041387, 24633731, 73901193, 221703579]

約数ペア:

[(1, 221703579), (3, 73901193), (9, 24633731), (17, 13041387), (29, 7644951), (51, 4347129), (87, 2548317), (153, 1449043), (261, 849439), (493, 449703), (841, 263619), (1479, 149901), (1723, 128673), (2523, 87873), (4437, 49967), (5169, 42891), (7569, 29291), (14297, 15507)]