27980645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6607}}^1$

素因数の和:6641

約数の個数: 24

約数和(自身を含む): 42185472

約数和(自身を除く): 14204827

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6607, 33035, 46249, 72677, 231245, 363385, 508739, 799447, 2543695, 3997235, 5596129, 27980645]

約数ペア:

[(1, 27980645), (5, 5596129), (7, 3997235), (11, 2543695), (35, 799447), (55, 508739), (77, 363385), (121, 231245), (385, 72677), (605, 46249), (847, 33035), (4235, 6607)]