81665065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 24088535

約数列:

[1, 5, 23, 79, 89, 101, 115, 395, 445, 505, 1817, 2047, 2323, 7031, 7979, 8989, 9085, 10235, 11615, 35155, 39895, 44945, 161713, 183517, 206747, 710131, 808565, 917585, 1033735, 3550655, 16333013, 81665065]

約数ペア:

[(1, 81665065), (5, 16333013), (23, 3550655), (79, 1033735), (89, 917585), (101, 808565), (115, 710131), (395, 206747), (445, 183517), (505, 161713), (1817, 44945), (2047, 39895), (2323, 35155), (7031, 11615), (7979, 10235), (8989, 9085)]