1311513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 2121408

約数和(自身を除く): 809895

約数列:

[1, 3, 7, 19, 21, 57, 133, 173, 361, 399, 519, 1083, 1211, 2527, 3287, 3633, 7581, 9861, 23009, 62453, 69027, 187359, 437171, 1311513]

約数ペア:

[(1, 1311513), (3, 437171), (7, 187359), (19, 69027), (21, 62453), (57, 23009), (133, 9861), (173, 7581), (361, 3633), (399, 3287), (519, 2527), (1083, 1211)]