55131027

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19739}}^1$

素因数の和:19775

約数の個数: 24

約数和(自身を含む): 90014400

約数和(自身を除く): 34883373

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19739, 59217, 138173, 375041, 414519, 967211, 1125123, 2625287, 2901633, 7875861, 18377009, 55131027]

約数ペア:

[(1, 55131027), (3, 18377009), (7, 7875861), (19, 2901633), (21, 2625287), (49, 1125123), (57, 967211), (133, 414519), (147, 375041), (399, 138173), (931, 59217), (2793, 19739)]