81124335

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 152216064

約数和(自身を除く): 71091729

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 2903, 3105, 5589, 8709, 9315, 14515, 26127, 27945, 43545, 66769, 78381, 130635, 200307, 235143, 333845, 391905, 600921, 705429, 1001535, 1175715, 1802763, 3004605, 3527145, 5408289, 9013815, 16224867, 27041445, 81124335]

約数ペア:

[(1, 81124335), (3, 27041445), (5, 16224867), (9, 9013815), (15, 5408289), (23, 3527145), (27, 3004605), (45, 1802763), (69, 1175715), (81, 1001535), (115, 705429), (135, 600921), (207, 391905), (243, 333845), (345, 235143), (405, 200307), (621, 130635), (1035, 78381), (1215, 66769), (1863, 43545), (2903, 27945), (3105, 26127), (5589, 14515), (8709, 9315)]