81431892

素因数分解:

$2^2\times 3^4\times {\mathrm{127}}^1\times {\mathrm{1979}}^1$

素因数の和:2122

約数の個数: 60

約数和(自身を含む): 214663680

約数和(自身を除く): 133231788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 162, 254, 324, 381, 508, 762, 1143, 1524, 1979, 2286, 3429, 3958, 4572, 5937, 6858, 7916, 10287, 11874, 13716, 17811, 20574, 23748, 35622, 41148, 53433, 71244, 106866, 160299, 213732, 251333, 320598, 502666, 641196, 753999, 1005332, 1507998, 2261997, 3015996, 4523994, 6785991, 9047988, 13571982, 20357973, 27143964, 40715946, 81431892]

約数ペア:

[(1, 81431892), (2, 40715946), (3, 27143964), (4, 20357973), (6, 13571982), (9, 9047988), (12, 6785991), (18, 4523994), (27, 3015996), (36, 2261997), (54, 1507998), (81, 1005332), (108, 753999), (127, 641196), (162, 502666), (254, 320598), (324, 251333), (381, 213732), (508, 160299), (762, 106866), (1143, 71244), (1524, 53433), (1979, 41148), (2286, 35622), (3429, 23748), (3958, 20574), (4572, 17811), (5937, 13716), (6858, 11874), (7916, 10287)]