205809729

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{53891}}^1$

素因数の和:53980

約数の個数: 16

約数和(自身を含む): 293172480

約数和(自身を除く): 87362751

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 53891, 161673, 1023929, 3071787, 3610697, 10832091, 68603243, 205809729]

約数ペア:

[(1, 205809729), (3, 68603243), (19, 10832091), (57, 3610697), (67, 3071787), (201, 1023929), (1273, 161673), (3819, 53891)]