2491983

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 4160520

約数和(自身を除く): 1668537

約数列:

[1, 3, 9, 13, 19, 39, 57, 59, 117, 171, 177, 247, 361, 531, 741, 767, 1083, 1121, 2223, 2301, 3249, 3363, 4693, 6903, 10089, 14079, 14573, 21299, 42237, 43719, 63897, 131157, 191691, 276887, 830661, 2491983]

約数ペア:

[(1, 2491983), (3, 830661), (9, 276887), (13, 191691), (19, 131157), (39, 63897), (57, 43719), (59, 42237), (117, 21299), (171, 14573), (177, 14079), (247, 10089), (361, 6903), (531, 4693), (741, 3363), (767, 3249), (1083, 2301), (1121, 2223)]