51777873

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 90116928

約数和(自身を除く): 38339055

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 1723, 3339, 4293, 5169, 10017, 12061, 15507, 30051, 36183, 46521, 91319, 108549, 139563, 273957, 325647, 639233, 821871, 976941, 1917699, 2465613, 5753097, 7396839, 17259291, 51777873]

約数ペア:

[(1, 51777873), (3, 17259291), (7, 7396839), (9, 5753097), (21, 2465613), (27, 1917699), (53, 976941), (63, 821871), (81, 639233), (159, 325647), (189, 273957), (371, 139563), (477, 108549), (567, 91319), (1113, 46521), (1431, 36183), (1723, 30051), (3339, 15507), (4293, 12061), (5169, 10017)]