138663519

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{2137}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 189649152

約数和(自身を除く): 50985633

約数列:

[1, 3, 43, 129, 503, 1509, 2137, 6411, 21629, 64887, 91891, 275673, 1074911, 3224733, 46221173, 138663519]

約数ペア:

[(1, 138663519), (3, 46221173), (43, 3224733), (129, 1074911), (503, 275673), (1509, 91891), (2137, 64887), (6411, 21629)]