80821215

素因数分解:

$3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6829}}^1$

素因数の和:7103

約数の個数: 24

約数和(自身を含む): 140643360

約数和(自身を除く): 59822145

約数列:

[1, 3, 5, 9, 15, 45, 263, 789, 1315, 2367, 3945, 6829, 11835, 20487, 34145, 61461, 102435, 307305, 1796027, 5388081, 8980135, 16164243, 26940405, 80821215]

約数ペア:

[(1, 80821215), (3, 26940405), (5, 16164243), (9, 8980135), (15, 5388081), (45, 1796027), (263, 307305), (789, 102435), (1315, 61461), (2367, 34145), (3945, 20487), (6829, 11835)]