120813609

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{302791}}^1$

素因数の和:302820

約数の個数: 16

約数和(自身を含む): 193786880

約数和(自身を除く): 72973271

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 302791, 908373, 2119537, 5753029, 6358611, 17259087, 40271203, 120813609]

約数ペア:

[(1, 120813609), (3, 40271203), (7, 17259087), (19, 6358611), (21, 5753029), (57, 2119537), (133, 908373), (399, 302791)]