81021195

素因数分解:

$3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1609}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 144513600

約数和(自身を除く): 63492405

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 373, 1119, 1609, 1865, 3357, 4827, 5595, 8045, 10071, 14481, 16785, 24135, 43443, 50355, 72405, 217215, 600157, 1800471, 3000785, 5401413, 9002355, 16204239, 27007065, 81021195]

約数ペア:

[(1, 81021195), (3, 27007065), (5, 16204239), (9, 9002355), (15, 5401413), (27, 3000785), (45, 1800471), (135, 600157), (373, 217215), (1119, 72405), (1609, 50355), (1865, 43443), (3357, 24135), (4827, 16785), (5595, 14481), (8045, 10071)]