28980495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 25505937

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 881, 1935, 2193, 2643, 3655, 4405, 6579, 7929, 10965, 13215, 14977, 32895, 37883, 39645, 44931, 74885, 113649, 134793, 189415, 224655, 340947, 568245, 644011, 673965, 1704735, 1932033, 3220055, 5796099, 9660165, 28980495]

約数ペア:

[(1, 28980495), (3, 9660165), (5, 5796099), (9, 3220055), (15, 1932033), (17, 1704735), (43, 673965), (45, 644011), (51, 568245), (85, 340947), (129, 224655), (153, 189415), (215, 134793), (255, 113649), (387, 74885), (645, 44931), (731, 39645), (765, 37883), (881, 32895), (1935, 14977), (2193, 13215), (2643, 10965), (3655, 7929), (4405, 6579)]