17780499

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 29018880

約数和(自身を除く): 11238381

約数列:

[1, 3, 9, 11, 27, 33, 99, 131, 297, 393, 457, 1179, 1371, 1441, 3537, 4113, 4323, 5027, 12339, 12969, 15081, 38907, 45243, 59867, 135729, 179601, 538803, 658537, 1616409, 1975611, 5926833, 17780499]

約数ペア:

[(1, 17780499), (3, 5926833), (9, 1975611), (11, 1616409), (27, 658537), (33, 538803), (99, 179601), (131, 135729), (297, 59867), (393, 45243), (457, 38907), (1179, 15081), (1371, 12969), (1441, 12339), (3537, 5027), (4113, 4323)]