2784033

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 4801680

約数和(自身を除く): 2017647

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 107, 147, 177, 321, 413, 441, 531, 749, 963, 1239, 2247, 2891, 3717, 5243, 6313, 6741, 8673, 15729, 18939, 26019, 44191, 47187, 56817, 132573, 309337, 397719, 928011, 2784033]

約数ペア:

[(1, 2784033), (3, 928011), (7, 397719), (9, 309337), (21, 132573), (49, 56817), (59, 47187), (63, 44191), (107, 26019), (147, 18939), (177, 15729), (321, 8673), (413, 6741), (441, 6313), (531, 5243), (749, 3717), (963, 2891), (1239, 2247)]