54991281

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2861}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 75556800

約数和(自身を除く): 20565519

約数列:

[1, 3, 43, 129, 149, 447, 2861, 6407, 8583, 19221, 123023, 369069, 426289, 1278867, 18330427, 54991281]

約数ペア:

[(1, 54991281), (3, 18330427), (43, 1278867), (129, 426289), (149, 369069), (447, 123023), (2861, 19221), (6407, 8583)]