213888969

素因数分解:

$3^2\times 7^3\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 363168000

約数和(自身を除く): 149279031

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 343, 359, 441, 579, 1029, 1077, 1351, 1737, 2513, 3087, 3231, 4053, 7539, 9457, 12159, 17591, 22617, 28371, 52773, 66199, 69287, 85113, 123137, 158319, 198597, 207861, 369411, 485009, 595791, 623583, 1108233, 1455027, 3395063, 4365081, 10185189, 23765441, 30555567, 71296323, 213888969]

約数ペア:

[(1, 213888969), (3, 71296323), (7, 30555567), (9, 23765441), (21, 10185189), (49, 4365081), (63, 3395063), (147, 1455027), (193, 1108233), (343, 623583), (359, 595791), (441, 485009), (579, 369411), (1029, 207861), (1077, 198597), (1351, 158319), (1737, 123137), (2513, 85113), (3087, 69287), (3231, 66199), (4053, 52773), (7539, 28371), (9457, 22617), (12159, 17591)]