199940913

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 301691520

約数和(自身を除く): 101750607

約数列:

[1, 3, 9, 27, 101, 157, 303, 467, 471, 909, 1401, 1413, 2727, 4203, 4239, 12609, 15857, 47167, 47571, 73319, 141501, 142713, 219957, 424503, 428139, 659871, 1273509, 1979613, 7405219, 22215657, 66646971, 199940913]

約数ペア:

[(1, 199940913), (3, 66646971), (9, 22215657), (27, 7405219), (101, 1979613), (157, 1273509), (303, 659871), (467, 428139), (471, 424503), (909, 219957), (1401, 142713), (1413, 141501), (2727, 73319), (4203, 47571), (4239, 47167), (12609, 15857)]