128810511

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 202176000

約数和(自身を除く): 73365489

約数列:

[1, 3, 9, 23, 53, 59, 69, 159, 177, 199, 207, 477, 531, 597, 1219, 1357, 1791, 3127, 3657, 4071, 4577, 9381, 10547, 10971, 11741, 12213, 13731, 28143, 31641, 35223, 41193, 71921, 94923, 105669, 215763, 242581, 270043, 622273, 647289, 727743, 810129, 1866819, 2183229, 2430387, 5600457, 14312279, 42936837, 128810511]

約数ペア:

[(1, 128810511), (3, 42936837), (9, 14312279), (23, 5600457), (53, 2430387), (59, 2183229), (69, 1866819), (159, 810129), (177, 727743), (199, 647289), (207, 622273), (477, 270043), (531, 242581), (597, 215763), (1219, 105669), (1357, 94923), (1791, 71921), (3127, 41193), (3657, 35223), (4071, 31641), (4577, 28143), (9381, 13731), (10547, 12213), (10971, 11741)]