207967743

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{43517}}^1$

素因数の和:43588

約数の個数: 20

約数和(自身を含む): 315940680

約数和(自身を除く): 107972937

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 43517, 130551, 391653, 1174959, 2567503, 3524877, 7702509, 23107527, 69322581, 207967743]

約数ペア:

[(1, 207967743), (3, 69322581), (9, 23107527), (27, 7702509), (59, 3524877), (81, 2567503), (177, 1174959), (531, 391653), (1593, 130551), (4779, 43517)]