16520517

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 27544440

約数和(自身を除く): 11023923

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 541, 783, 1053, 1131, 1623, 2349, 3393, 4869, 7033, 10179, 14607, 15689, 21099, 30537, 43821, 47067, 63297, 141201, 189891, 203957, 423603, 569673, 611871, 1270809, 1835613, 5506839, 16520517]

約数ペア:

[(1, 16520517), (3, 5506839), (9, 1835613), (13, 1270809), (27, 611871), (29, 569673), (39, 423603), (81, 203957), (87, 189891), (117, 141201), (261, 63297), (351, 47067), (377, 43821), (541, 30537), (783, 21099), (1053, 15689), (1131, 14607), (1623, 10179), (2349, 7033), (3393, 4869)]