28681611

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3307}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 45253440

約数和(自身を除く): 16571829

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 3307, 8673, 9921, 23149, 69447, 162043, 195113, 486129, 585339, 1365791, 4097373, 9560537, 28681611]

約数ペア:

[(1, 28681611), (3, 9560537), (7, 4097373), (21, 1365791), (49, 585339), (59, 486129), (147, 195113), (177, 162043), (413, 69447), (1239, 23149), (2891, 9921), (3307, 8673)]