72513861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181739}}^1$

素因数の和:181768

約数の個数: 16

約数和(自身を含む): 116313600

約数和(自身を除く): 43799739

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 181739, 545217, 1272173, 3453041, 3816519, 10359123, 24171287, 72513861]

約数ペア:

[(1, 72513861), (3, 24171287), (7, 10359123), (19, 3816519), (21, 3453041), (57, 1272173), (133, 545217), (399, 181739)]