11988879

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 19046400

約数和(自身を除く): 7057521

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 191, 343, 427, 573, 1029, 1281, 1337, 2989, 4011, 8967, 9359, 11651, 20923, 28077, 34953, 62769, 65513, 81557, 196539, 244671, 570899, 1712697, 3996293, 11988879]

約数ペア:

[(1, 11988879), (3, 3996293), (7, 1712697), (21, 570899), (49, 244671), (61, 196539), (147, 81557), (183, 65513), (191, 62769), (343, 34953), (427, 28077), (573, 20923), (1029, 11651), (1281, 9359), (1337, 8967), (2989, 4011)]