315230881

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 405596160

約数和(自身を除く): 90365279

約数列:

[1, 7, 17, 19, 107, 119, 133, 323, 749, 1303, 1819, 2033, 2261, 9121, 12733, 14231, 22151, 24757, 34561, 139421, 155057, 173299, 241927, 420869, 975947, 2370157, 2648999, 2946083, 16591099, 18542993, 45032983, 315230881]

約数ペア:

[(1, 315230881), (7, 45032983), (17, 18542993), (19, 16591099), (107, 2946083), (119, 2648999), (133, 2370157), (323, 975947), (749, 420869), (1303, 241927), (1819, 173299), (2033, 155057), (2261, 139421), (9121, 34561), (12733, 24757), (14231, 22151)]