291258909

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4919}}^1$

素因数の和:4991

約数の個数: 40

約数和(自身を含む): 471493440

約数和(自身を除く): 180234531

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 387, 459, 731, 1161, 1377, 2193, 3483, 4919, 6579, 14757, 19737, 44271, 59211, 83623, 132813, 211517, 250869, 398439, 634551, 752607, 1903653, 2257821, 3595789, 5710959, 6773463, 10787367, 17132877, 32362101, 97086303, 291258909]

約数ペア:

[(1, 291258909), (3, 97086303), (9, 32362101), (17, 17132877), (27, 10787367), (43, 6773463), (51, 5710959), (81, 3595789), (129, 2257821), (153, 1903653), (387, 752607), (459, 634551), (731, 398439), (1161, 250869), (1377, 211517), (2193, 132813), (3483, 83623), (4919, 59211), (6579, 44271), (14757, 19737)]