51988161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21211}}^1$

素因数の和:21276

約数の個数: 16

約数和(自身を含む): 74666240

約数和(自身を除く): 22678079

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 21211, 63633, 403009, 912073, 1209027, 2736219, 17329387, 51988161]

約数ペア:

[(1, 51988161), (3, 17329387), (19, 2736219), (43, 1209027), (57, 912073), (129, 403009), (817, 63633), (2451, 21211)]