245898513

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29347}}^1$

素因数の和:29386

約数の個数: 36

約数和(自身を含む): 434937360

約数和(自身を除く): 189038847

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 29347, 88041, 205429, 264123, 557593, 616287, 1438003, 1672779, 1848861, 3903151, 4314009, 5018337, 11709453, 12942027, 27322057, 35128359, 81966171, 245898513]

約数ペア:

[(1, 245898513), (3, 81966171), (7, 35128359), (9, 27322057), (19, 12942027), (21, 11709453), (49, 5018337), (57, 4314009), (63, 3903151), (133, 1848861), (147, 1672779), (171, 1438003), (399, 616287), (441, 557593), (931, 264123), (1197, 205429), (2793, 88041), (8379, 29347)]