221427261

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 372340800

約数和(自身を除く): 150913539

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 149, 153, 187, 447, 561, 883, 1341, 1639, 1683, 2533, 2649, 4917, 7599, 7947, 9713, 14751, 15011, 22797, 27863, 29139, 45033, 83589, 87417, 131567, 135099, 165121, 250767, 394701, 495363, 1184103, 1447237, 1486089, 2236639, 4341711, 6709917, 13025133, 20129751, 24603029, 73809087, 221427261]

約数ペア:

[(1, 221427261), (3, 73809087), (9, 24603029), (11, 20129751), (17, 13025133), (33, 6709917), (51, 4341711), (99, 2236639), (149, 1486089), (153, 1447237), (187, 1184103), (447, 495363), (561, 394701), (883, 250767), (1341, 165121), (1639, 135099), (1683, 131567), (2533, 87417), (2649, 83589), (4917, 45033), (7599, 29139), (7947, 27863), (9713, 22797), (14751, 15011)]