816291261

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 1271350080

約数和(自身を除く): 455058819

約数列:

[1, 3, 9, 17, 51, 131, 139, 153, 293, 393, 417, 879, 1179, 1251, 2227, 2363, 2637, 4981, 6681, 7089, 14943, 18209, 20043, 21267, 38383, 40727, 44829, 54627, 115149, 122181, 163881, 309553, 345447, 366543, 652511, 692359, 928659, 1957533, 2077077, 2785977, 5335237, 5872599, 6231231, 16005711, 48017133, 90699029, 272097087, 816291261]

約数ペア:

[(1, 816291261), (3, 272097087), (9, 90699029), (17, 48017133), (51, 16005711), (131, 6231231), (139, 5872599), (153, 5335237), (293, 2785977), (393, 2077077), (417, 1957533), (879, 928659), (1179, 692359), (1251, 652511), (2227, 366543), (2363, 345447), (2637, 309553), (4981, 163881), (6681, 122181), (7089, 115149), (14943, 54627), (18209, 44829), (20043, 40727), (21267, 38383)]