2161929

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 3686400

約数和(自身を除く): 1524471

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 191, 231, 343, 539, 573, 1029, 1337, 1617, 2101, 3773, 4011, 6303, 9359, 11319, 14707, 28077, 44121, 65513, 102949, 196539, 308847, 720643, 2161929]

約数ペア:

[(1, 2161929), (3, 720643), (7, 308847), (11, 196539), (21, 102949), (33, 65513), (49, 44121), (77, 28077), (147, 14707), (191, 11319), (231, 9359), (343, 6303), (539, 4011), (573, 3773), (1029, 2101), (1337, 1617)]