51737913

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 78693120

約数和(自身を除く): 26955207

約数列:

[1, 3, 9, 27, 71, 137, 197, 213, 411, 591, 639, 1233, 1773, 1917, 3699, 5319, 9727, 13987, 26989, 29181, 41961, 80967, 87543, 125883, 242901, 262629, 377649, 728703, 1916219, 5748657, 17245971, 51737913]

約数ペア:

[(1, 51737913), (3, 17245971), (9, 5748657), (27, 1916219), (71, 728703), (137, 377649), (197, 262629), (213, 242901), (411, 125883), (591, 87543), (639, 80967), (1233, 41961), (1773, 29181), (1917, 26989), (3699, 13987), (5319, 9727)]