16520691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 25355520

約数和(自身を除く): 8834829

約数列:

[1, 3, 11, 29, 33, 61, 87, 183, 283, 319, 671, 849, 957, 1769, 2013, 3113, 5307, 8207, 9339, 17263, 19459, 24621, 51789, 58377, 90277, 189893, 270831, 500627, 569679, 1501881, 5506897, 16520691]

約数ペア:

[(1, 16520691), (3, 5506897), (11, 1501881), (29, 569679), (33, 500627), (61, 270831), (87, 189893), (183, 90277), (283, 58377), (319, 51789), (671, 24621), (849, 19459), (957, 17263), (1769, 9339), (2013, 8207), (3113, 5307)]