171220005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20347}}^1$

素因数の和:20386

約数の個数: 48

約数和(自身を含む): 342823104

約数和(自身を除く): 171603099

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 8415, 20347, 61041, 101735, 183123, 223817, 305205, 345899, 671451, 915615, 1037697, 1119085, 1729495, 2014353, 3113091, 3357255, 3804889, 5188485, 10071765, 11414667, 15565455, 19024445, 34244001, 57073335, 171220005]

約数ペア:

[(1, 171220005), (3, 57073335), (5, 34244001), (9, 19024445), (11, 15565455), (15, 11414667), (17, 10071765), (33, 5188485), (45, 3804889), (51, 3357255), (55, 3113091), (85, 2014353), (99, 1729495), (153, 1119085), (165, 1037697), (187, 915615), (255, 671451), (495, 345899), (561, 305205), (765, 223817), (935, 183123), (1683, 101735), (2805, 61041), (8415, 20347)]