81752915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 28562605

約数列:

[1, 5, 17, 19, 85, 95, 223, 227, 323, 1115, 1135, 1615, 3791, 3859, 4237, 4313, 18955, 19295, 21185, 21565, 50621, 72029, 73321, 253105, 360145, 366605, 860557, 961799, 4302785, 4808995, 16350583, 81752915]

約数ペア:

[(1, 81752915), (5, 16350583), (17, 4808995), (19, 4302785), (85, 961799), (95, 860557), (223, 366605), (227, 360145), (323, 253105), (1115, 73321), (1135, 72029), (1615, 50621), (3791, 21565), (3859, 21185), (4237, 19295), (4313, 18955)]