51561111

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19333}}^1$

素因数の和:19470

約数の個数: 16

約数和(自身を含む): 79192064

約数和(自身を除く): 27630953

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 19333, 57999, 135331, 405993, 2455291, 7365873, 17187037, 51561111]

約数ペア:

[(1, 51561111), (3, 17187037), (7, 7365873), (21, 2455291), (127, 405993), (381, 135331), (889, 57999), (2667, 19333)]