81592785

素因数分解:

$3^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1009}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 145440000

約数和(自身を除く): 63847215

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 599, 1009, 1797, 2995, 3027, 5045, 5391, 8985, 9081, 15135, 16173, 26955, 27243, 45405, 80865, 136215, 604391, 1813173, 3021955, 5439519, 9065865, 16318557, 27197595, 81592785]

約数ペア:

[(1, 81592785), (3, 27197595), (5, 16318557), (9, 9065865), (15, 5439519), (27, 3021955), (45, 1813173), (135, 604391), (599, 136215), (1009, 80865), (1797, 45405), (2995, 27243), (3027, 26955), (5045, 16173), (5391, 15135), (8985, 9081)]