4278339

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 7318080

約数和(自身を除く): 3039741

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 239, 351, 459, 663, 717, 1053, 1377, 1989, 2151, 3107, 4063, 5967, 6453, 9321, 12189, 17901, 19359, 27963, 36567, 52819, 83889, 109701, 158457, 251667, 329103, 475371, 1426113, 4278339]

約数ペア:

[(1, 4278339), (3, 1426113), (9, 475371), (13, 329103), (17, 251667), (27, 158457), (39, 109701), (51, 83889), (81, 52819), (117, 36567), (153, 27963), (221, 19359), (239, 17901), (351, 12189), (459, 9321), (663, 6453), (717, 5967), (1053, 4063), (1377, 3107), (1989, 2151)]