81539735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1741}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 112881600

約数和(自身を除く): 31341865

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 493, 551, 1615, 1741, 2465, 2755, 8705, 9367, 29597, 33079, 46835, 50489, 147985, 165395, 252445, 562343, 858313, 959291, 2811715, 4291565, 4796455, 16307947, 81539735]

約数ペア:

[(1, 81539735), (5, 16307947), (17, 4796455), (19, 4291565), (29, 2811715), (85, 959291), (95, 858313), (145, 562343), (323, 252445), (493, 165395), (551, 147985), (1615, 50489), (1741, 46835), (2465, 33079), (2755, 29597), (8705, 9367)]