31411655919

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{115123}}^1$

素因数の和:115268

約数の個数: 48

約数和(自身を含む): 53447007744

約数和(自身を除く): 22035351825

約数列:

[1, 3, 7, 9, 21, 61, 63, 71, 183, 213, 427, 497, 549, 639, 1281, 1491, 3843, 4331, 4473, 12993, 30317, 38979, 90951, 115123, 272853, 345369, 805861, 1036107, 2417583, 7022503, 7252749, 8173733, 21067509, 24521199, 49157521, 57216131, 63202527, 73563597, 147472563, 171648393, 442417689, 498597713, 514945179, 1495793139, 3490183991, 4487379417, 10470551973, 31411655919]

約数ペア:

[(1, 31411655919), (3, 10470551973), (7, 4487379417), (9, 3490183991), (21, 1495793139), (61, 514945179), (63, 498597713), (71, 442417689), (183, 171648393), (213, 147472563), (427, 73563597), (497, 63202527), (549, 57216131), (639, 49157521), (1281, 24521199), (1491, 21067509), (3843, 8173733), (4331, 7252749), (4473, 7022503), (12993, 2417583), (30317, 1036107), (38979, 805861), (90951, 345369), (115123, 272853)]