253029819

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 173717061

約数列:

[1, 3, 7, 17, 21, 41, 51, 59, 119, 123, 177, 287, 293, 357, 413, 697, 861, 879, 1003, 1239, 2051, 2091, 2419, 3009, 4879, 4981, 6153, 7021, 7257, 12013, 14637, 14943, 16933, 17287, 21063, 34867, 36039, 41123, 50799, 51861, 84091, 104601, 121009, 123369, 204221, 252273, 287861, 293879, 363027, 612663, 708767, 863583, 881637, 1429547, 2057153, 2126301, 4288641, 4961369, 6171459, 12049039, 14884107, 36147117, 84343273, 253029819]

約数ペア:

[(1, 253029819), (3, 84343273), (7, 36147117), (17, 14884107), (21, 12049039), (41, 6171459), (51, 4961369), (59, 4288641), (119, 2126301), (123, 2057153), (177, 1429547), (287, 881637), (293, 863583), (357, 708767), (413, 612663), (697, 363027), (861, 293879), (879, 287861), (1003, 252273), (1239, 204221), (2051, 123369), (2091, 121009), (2419, 104601), (3009, 84091), (4879, 51861), (4981, 50799), (6153, 41123), (7021, 36039), (7257, 34867), (12013, 21063), (14637, 17287), (14943, 16933)]