221539755

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{1423}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 361718784

約数和(自身を除く): 140179029

約数列:

[1, 3, 5, 15, 97, 107, 291, 321, 485, 535, 1423, 1455, 1605, 4269, 7115, 10379, 21345, 31137, 51895, 138031, 152261, 155685, 414093, 456783, 690155, 761305, 2070465, 2283915, 14769317, 44307951, 73846585, 221539755]

約数ペア:

[(1, 221539755), (3, 73846585), (5, 44307951), (15, 14769317), (97, 2283915), (107, 2070465), (291, 761305), (321, 690155), (485, 456783), (535, 414093), (1423, 155685), (1455, 152261), (1605, 138031), (4269, 51895), (7115, 31137), (10379, 21345)]