90987057

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6977}}^1$

素因数の和:7019

約数の個数: 40

約数和(自身を含む): 162112896

約数和(自身を除く): 71125839

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 6977, 13041, 20931, 48839, 62793, 146517, 160471, 188379, 439551, 481413, 565137, 1123297, 1318653, 1444239, 3369891, 3955959, 4332717, 10109673, 12998151, 30329019, 90987057]

約数ペア:

[(1, 90987057), (3, 30329019), (7, 12998151), (9, 10109673), (21, 4332717), (23, 3955959), (27, 3369891), (63, 1444239), (69, 1318653), (81, 1123297), (161, 565137), (189, 481413), (207, 439551), (483, 188379), (567, 160471), (621, 146517), (1449, 62793), (1863, 48839), (4347, 20931), (6977, 13041)]