2912355

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 56

約数和(自身を含む): 5666112

約数和(自身を除く): 2753757

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 81, 85, 135, 141, 153, 235, 243, 255, 405, 423, 459, 705, 729, 765, 799, 1215, 1269, 1377, 2115, 2295, 2397, 3645, 3807, 3995, 4131, 6345, 6885, 7191, 11421, 11985, 12393, 19035, 20655, 21573, 34263, 35955, 57105, 61965, 64719, 107865, 171315, 194157, 323595, 582471, 970785, 2912355]

約数ペア:

[(1, 2912355), (3, 970785), (5, 582471), (9, 323595), (15, 194157), (17, 171315), (27, 107865), (45, 64719), (47, 61965), (51, 57105), (81, 35955), (85, 34263), (135, 21573), (141, 20655), (153, 19035), (235, 12393), (243, 11985), (255, 11421), (405, 7191), (423, 6885), (459, 6345), (705, 4131), (729, 3995), (765, 3807), (799, 3645), (1215, 2397), (1269, 2295), (1377, 2115)]