19671201

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 12469599

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 619, 963, 1177, 1857, 2889, 3531, 5571, 6809, 10593, 16713, 20427, 31779, 61281, 66233, 183843, 198699, 596097, 728563, 1788291, 2185689, 6557067, 19671201]

約数ペア:

[(1, 19671201), (3, 6557067), (9, 2185689), (11, 1788291), (27, 728563), (33, 596097), (99, 198699), (107, 183843), (297, 66233), (321, 61281), (619, 31779), (963, 20427), (1177, 16713), (1857, 10593), (2889, 6809), (3531, 5571)]