2861865

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 2840535

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 43, 45, 51, 85, 87, 129, 135, 145, 153, 215, 255, 261, 387, 435, 459, 493, 645, 731, 765, 783, 1161, 1247, 1305, 1479, 1935, 2193, 2295, 2465, 3655, 3741, 3915, 4437, 5805, 6235, 6579, 7395, 10965, 11223, 13311, 18705, 19737, 21199, 22185, 32895, 33669, 56115, 63597, 66555, 98685, 105995, 168345, 190791, 317985, 572373, 953955, 2861865]

約数ペア:

[(1, 2861865), (3, 953955), (5, 572373), (9, 317985), (15, 190791), (17, 168345), (27, 105995), (29, 98685), (43, 66555), (45, 63597), (51, 56115), (85, 33669), (87, 32895), (129, 22185), (135, 21199), (145, 19737), (153, 18705), (215, 13311), (255, 11223), (261, 10965), (387, 7395), (435, 6579), (459, 6235), (493, 5805), (645, 4437), (731, 3915), (765, 3741), (783, 3655), (1161, 2465), (1247, 2295), (1305, 2193), (1479, 1935)]