27742185

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 51442560

約数和(自身を除く): 23700375

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 457, 639, 855, 1065, 1349, 1371, 2285, 3195, 4047, 4113, 6745, 6855, 8683, 12141, 20235, 20565, 26049, 32447, 43415, 60705, 78147, 97341, 130245, 162235, 292023, 390735, 486705, 616493, 1460115, 1849479, 3082465, 5548437, 9247395, 27742185]

約数ペア:

[(1, 27742185), (3, 9247395), (5, 5548437), (9, 3082465), (15, 1849479), (19, 1460115), (45, 616493), (57, 486705), (71, 390735), (95, 292023), (171, 162235), (213, 130245), (285, 97341), (355, 78147), (457, 60705), (639, 43415), (855, 32447), (1065, 26049), (1349, 20565), (1371, 20235), (2285, 12141), (3195, 8683), (4047, 6855), (4113, 6745)]