1977681

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 2731968

約数和(自身を除く): 754287

約数列:

[1, 3, 61, 101, 107, 183, 303, 321, 6161, 6527, 10807, 18483, 19581, 32421, 659227, 1977681]

約数ペア:

[(1, 1977681), (3, 659227), (61, 32421), (101, 19581), (107, 18483), (183, 10807), (303, 6527), (321, 6161)]