199970181

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1594

約数の個数: 32

約数和(自身を含む): 307799040

約数和(自身を除く): 107828859

約数列:

[1, 3, 9, 27, 31, 93, 173, 279, 519, 837, 1381, 1557, 4143, 4671, 5363, 12429, 16089, 37287, 42811, 48267, 128433, 144801, 238913, 385299, 716739, 1155897, 2150217, 6450651, 7406303, 22218909, 66656727, 199970181]

約数ペア:

[(1, 199970181), (3, 66656727), (9, 22218909), (27, 7406303), (31, 6450651), (93, 2150217), (173, 1155897), (279, 716739), (519, 385299), (837, 238913), (1381, 144801), (1557, 128433), (4143, 48267), (4671, 42811), (5363, 37287), (12429, 16089)]