81811605

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 135209088

約数和(自身を除く): 53397483

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 411, 615, 685, 971, 2055, 2913, 4855, 5617, 14565, 16851, 28085, 39811, 84255, 119433, 133027, 199055, 399081, 597165, 665135, 1995405, 5454107, 16362321, 27270535, 81811605]

約数ペア:

[(1, 81811605), (3, 27270535), (5, 16362321), (15, 5454107), (41, 1995405), (123, 665135), (137, 597165), (205, 399081), (411, 199055), (615, 133027), (685, 119433), (971, 84255), (2055, 39811), (2913, 28085), (4855, 16851), (5617, 14565)]