80780499

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 119574000

約数和(自身を除く): 38793501

約数列:

[1, 3, 9, 59, 149, 177, 447, 531, 1021, 1341, 3063, 8791, 9189, 26373, 60239, 79119, 152129, 180717, 456387, 542151, 1369161, 8975611, 26926833, 80780499]

約数ペア:

[(1, 80780499), (3, 26926833), (9, 8975611), (59, 1369161), (149, 542151), (177, 456387), (447, 180717), (531, 152129), (1021, 79119), (1341, 60239), (3063, 26373), (8791, 9189)]