138258513

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3547}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 205897536

約数和(自身を除く): 67639023

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 3547, 4331, 10641, 12993, 31923, 38979, 216367, 251837, 649101, 755511, 1947303, 2266533, 15362057, 46086171, 138258513]

約数ペア:

[(1, 138258513), (3, 46086171), (9, 15362057), (61, 2266533), (71, 1947303), (183, 755511), (213, 649101), (549, 251837), (639, 216367), (3547, 38979), (4331, 31923), (10641, 12993)]