81543465

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 146175120

約数和(自身を除く): 64631655

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 193, 205, 229, 369, 579, 615, 687, 965, 1145, 1737, 1845, 2061, 2895, 3435, 7913, 8685, 9389, 10305, 23739, 28167, 39565, 44197, 46945, 71217, 84501, 118695, 132591, 140835, 220985, 356085, 397773, 422505, 662955, 1812077, 1988865, 5436231, 9060385, 16308693, 27181155, 81543465]

約数ペア:

[(1, 81543465), (3, 27181155), (5, 16308693), (9, 9060385), (15, 5436231), (41, 1988865), (45, 1812077), (123, 662955), (193, 422505), (205, 397773), (229, 356085), (369, 220985), (579, 140835), (615, 132591), (687, 118695), (965, 84501), (1145, 71217), (1737, 46945), (1845, 44197), (2061, 39565), (2895, 28167), (3435, 23739), (7913, 10305), (8685, 9389)]